@book{faust,
    keywords = {primary},
    author = "Johann Wolfgang von Goethe",
    title = "Faust. Der Tragödie erster Teil",
    address = "Husum/Nordsee",
    year = "2012"
}

@book{kant:kritiken,
	keywords = {primary},
    author = {Immanuel Kant},
	booktitle = {Die drei Kritiken},
	booksubtitle = {Kritik der reinen Vernunft. Kritik der praktischen Vernunft. Kritik der Urteilskraft},
    address = {Hamburg},
    year = 2003
}

@inbook{kant:ku,
    crossref = {kant:kritiken},
    title = {Kritik der Urteilskraft},
	editor = "Heiner F. Klemme",
    annotator = "Piero Giordanetti"
}

@inbook{kant:kpv,
    crossref = {kant:kritiken},
    title = {Kritik der praktischen Vernunft},
	editor = "Horst D. Brandt and Heiner F. Klemme",
    annotator = "Heiner F. Klemme"
}

@book{nietzsche:fragmente,
	keywords = {primary},
	author = {Friedrich Nietzsche},
	title = {Die nachgelassenen Fragmente. Eine Auswahl},
	editor = {Günter Wohlfart},
	address = {Stuttgart},
	year = 1996
}

@book{nietzsche:kritisch,
	keywords = {primary},
	author = {Friedrich Nietzsche},
	booktitle = {Friedrich Nietzsche},
	booksubtitle = {Kritische Studienausgabe},
	editor = {Giorgio Colli and Mazzino Montinari},
	edition = 2,
	address = {München},
	year = 1999
}

@inbook{nietzsche:geburt,
	crossref = {nietzsche:kritisch},
	volume = 1,
	title = {Die Geburt der Tragödie},
}

@inbook{nietzsche:ecce-homo,
	crossref = {nietzsche:kritisch},
	volume = 6,
	title = {Ecce homo},
    subtitle = {Wie man wird, was man ist}
}

@book{principia,
	author = "Ren\'{e} Descartes",
	title = "Principia philosophiae",
	publisher = "apud Johannem Jansonium Juniorem",
	address = "Amstelodami",
	year = "1656"
}

@book{discours,
	keywords = {primary},
	author = "Ren\'{e} Descartes",
	editor = "Christian Wohlers",
	translator = "Christian Wohlers",
	language = "Französisch - Deutsch",
	title = "Discours de la M\'{e}thode",
	address = "Hamburg",
	year = 2011
}

@book{schopenhauer,
	keywords = {primary},
	author = "Arthur Schopenhauer",
	editor = "Claudia Schmölders and Fritz Senn and Gerd Haffmans",
	commentator = "Angelika Hübscher",
	title = "Parerga und Paralipomena: kleine philosophische Schriften, von Arthur Schopenhauer.",
	volume = 1,
	address = "Zürich",
	year = "1977"
}

@inbook{solowjow,
	keywords = {primary},
	author = "Wladimir Solowjew",
	editor = "Wladimir Szylkarski",
	translator = "Wladimir Szylkarski",
	booktitle = "Deutsche Gesamtausgabe der Werke von Wladimir Solowjew",
	volume = 7,
	title = {Theoretische Philosophie},
	maintitle = {Erkenntnislehre. Ästhetik. Philosophie der Liebe},
	address = "Freiburg im Breisgau",
	year = 1953
}

@inbook{solowjow8,
	author = "В.С. Соловьев",
	editor = "С.М. Соловьева and Э.Л. Радлова",
	commentator = "С.М. Соловьева and Э.Л. Радлова",
	booktitle = "Собрание сочинений Владимира Сергеевича Соловьева",
	booksubtitle = "В 10 т.",
	volume = 8,
	title = "Теоретическая философия",
	edition = 2,
	address = "Спб.",
	publisher = "Просвещение",
	year = 1913
}

@book{grund,
	author = "Georg Wilhelm Friedrich Hegel",
	title = "Grundlinien der Philosophie des Rechts",
	editor = "Georg Lasson",
	address = "Leipzig",
	year = "1911"
}

@book{makarius,
	author = "{Makarius der Ägypter}",
	editor = "O. Bardenhewer and Th. Schermann and K. Weyman",
	translator = "Dionys Stiefenhofer",
	title = "Des heiligen Makarius des Ägypter fünfzig geistliche Homilien",
	publisher = "Kösel",
	address = "Kempten and München",
	year = 1913
}

@book{gedichte,
	author = "Giuseppe Fumagalli",
	edition = 10,
	title = "Chi l'ha detto?",
	publisher = "Ulrico Hoepli Editore S.p.A.",
	address = "Milano",
	year = 1989
}

@book{psyche,
	author = "Juli Zeh and Georg M. Oswald",
	edition = 1,
	editor = "Dorothee Kimmich und Philipp Alexander Ostrowicz and Anja-Simone Michalski",
	title = "Aufgedrängte Bereicherung",
	subtitle = "Tübinger Poetik-Dozentur 2010",
	publisher = "Swiridoff Verlag",
	address = "Künzelsau",
	year = 2011
}

@incollection{filipovic:ungleichheit,
	keywords = {primary},
	author = "Alexander Filipović",
	booktitle = "Neuvermessung der Medienethik",
	booksubtitle = "Bilanz, Themen und Herausforderungen seit 2000",
	editor = "Marlis Prinzing and  Matthias Rath and  Christian Schicha and Ingrid Stapf",
	title = "Ungleichheit in der vernetzten Gesellschaft",
	subtitle = "Der Zusammenhang von Internetnutzung und sozialer Ungleichheit in medienethischer Perspektive",
	address = "Weinheim and Basel",
	pages = "206--221",
	year = "2015"
}

@book{blumenberg:schriften-technik,
	keywords = {primary},
	author = "Hans Blumenberg",
	title = "Schriften zur Technik",
	editor = "Alexander Schmitz and Bernd Stiegler",
	address = "Berlin",
	year = "2015"
}

@book{ropohl:aufklaerung,
	keywords = {primary},
	author = "Günter Ropohl",
	title = "Technologische Aufklärung",
	subtitle = "Beiträge zur Technikphilosophie",
	address = "Frankfurt am Main",
	year = "1991"
}

@book{kues:drei-schriften,
	keywords = {primary},
	author = "Nikolaus von Kues",
	title = "Drei Schriften vom verborgenen Gott",
	subtitle = "De deo abscondito - De quaerendo deum - De filiatione dei",
	editor = "Elisabeth Bohnenstädt",
	edition = 3,
	address = "Hamburg",
	year = "1958"
}

@inbook{kues:gottsuchen,
    crossref = {kues:drei-schriften},
    title = "Vom Gottsuchen",
    pages = "7--27"
}

@book{kierkegaard:krankheit,
	keywords = {primary},
	author = "Søren Kierkegaard",
	title = "Die Krankheit zum Tode",
	subtitle = "Eine christlich-psychologische Darlegung zur Erbauung und Erweckung",
	translator = "Gisela Perlet",
	address = "Copenhagen",
	year = "2015"
}

@book{platon:kratylos,
	keywords = {primary},
	author = "Platon",
	title = "Kratylos",
	editor = "Michael Holzinger",
	address = "Berlin",
	year = "2013"
}

@book{kapp:technik,
	keywords = {primary},
	author = "Ernst Kapp",
	title = "Grundlinien einer Philosophie der Technik",
	subtitle = "Zur Entstehungsgeschichte der Kultur aus neuen Gesichtspunkten",
	commentator = "Harun Maye and Leander Scholz",
	editor = "Harun Maye and Leander Scholz",
	address = "Hamburg",
	year = "2015"
}

@book{frick:spiritualitaet,
	keywords = {primary},
	author = "Eckhard Frick and Traugott Roser",
	title = "Spiritualität und Medizin",
	subtitle = "Gemeinsame Sorge für den kranken Menschen",
	edition = 2,
	address = "Stuttgart",
	year = "2011"
}

@book{silva:ai,
	keywords = {primary},
	author = "Ivan Nunes da Silva and Danilo Hernane Spatti and Rogerio Andrade Flauzino and Luisa Helena Bartocci Liboni and Silas Franco dos Reis Alves",
	title = "Artificial Neural Networks",
	subtitle = "A Practical Course",
	address = "Switzerland",
	year = "2017"
}

@book{leefmann:brain,
	keywords = {secondary},
	title = "The Human Sciences After the Decade of the Brain",
	editor = {Jon Leefmann and Elisabeth Hildt},
	address = "Cambridge",
	year = "2017"
}

@incollection{foerster:neuroturn,
	crossref = {leefmann:brain},
	keywords = {secondary},
	author = "Yvonne Förster",
	title = "Effects of the Neuro-Turn: The Neural Network as a Paradigm for Human Self-Understanding"
}

@article{turing:mind,
	keywords = {primary},
	journal = "Mind",
	volume = 59,
	number = 236,
	author = "Alan Mathison Turing",
    address = "Oxford",
	year = "1950",
	month = 10,
	title = "Computing Machinery and Intelligence",
	pages = "433--460"
}

@book{kandel:gedaechtnis,
	keywords = {primary},
	author = "Eric Kandel",
	title = "Auf der Suche nach dem Gedächtnis",
	subtitle = "Die Entstehung einer neuen Wissenschaft des Geistes",
	address = "München",
	year = "2006"
}

@book{frick:anthropologie,
	title = {Psychosomatische Anthropologie},
	subtitle = {Ein Lehr- und Arbeitsbuch für Unterricht und Studium},
	author = {Eckhard Frick},
	address = {Stuttgart},
	edition = 2,
	year = 2015
}

@book{seidel:mensch,
    keywords = {secondary},
    author = {Johannes Seidel},
    title = {Schon Mensch oder noch nicht?},
    subtitle = {Zum ontologischen Status humanbiologischer Keime},
    address = {Stuttgart},
    year = 2009
}

@book{brenner:leben,
    keywords = {secondary},
    author = {Andreas Brenner},
    title = {Leben},
    address = {Stuttgart},
    year = 2009
}

@book{leopoldina394,
    keywords = {secondary},
    booktitle = {Nova Acta Leopoldina},
    booksubtitle = {Abhandlungen der Deutschen Akademie der Naturforscher Leopoldina},
    titleaddon = {Was ist Leben?},
    editor = {Jörg Hacker and Michael Hecker},
    volume = {116},
    address = {Halle (Saale)},
    year = 2012
}

@inbook{hoeffe:hierarchie,
    crossref = {leopoldina394},
    author = {Otfried Höffe},
    title = {Lässt sich eine Hierarchie des Lebendigen rechtfertigen?},
	pages = {241--254}
}

@inbook{boerner:entwicklung-des-kosmos,
    crossref = {leopoldina394},
    author = {Gerhard Börner},
    title = {Die Entwicklung des Kosmos: Vom Urknall zum komplexen Universum},
	pages = {41--68}
}

@book{kather:leben,
	keywords = {secondary},
	author = {Regine Kather},
	title = {Was ist Leben?},
	titleaddon = {Philosophische Positionen und Perspektiven},
	address = {Darmstadt},
	year = 2003
}

@book{kornwachs:technik,
	keywords = {secondary},
	author = {Klaus Kornwachs},
	title = {Philosophie der Technik},
	subtitle = {Eine Einführung},
	address = {München},
	year = 2013
}

@book{safranski:biographie,
	keywords = {secondary},
	author = {Rüdiger Safranski},
	title = {Nietzsche},
	subtitle = {Biographie seines Denkens},
	address = {München and Wien},
	year = 2000
}

@book{hayman:biographie,
	keywords = {secondary},
	author = {Ronald Hayman},
	title = {Friedrich Nietzsche},
	subtitle = {Der mißbrauchte Philosoph},
    translator = {Egbert von Kleist},
	address = {München},
	year = 1985
}

@book{ries:geburt,
	keywords = {secondary},
	author = {Wiebrecht Ries},
	title = {Nietzsche für Anfänger. Die Geburt der Tragödie aus dem Geiste der Musik},
	titleaddon = {Eine Lese-Einführung von Wiebrecht Ries},
	address = {München},
	year = 1999
}

@inbook{boening:metaphysics-art-lang,
	keywords = {secondary},
	author = {Thomas Böning},
	booktitle = {Monographien und Texte zur Nietzsche-Forschung},
	editor = {Ernst Behler and Wolfgang Müller-Lauter and Heinz Wenzel},
	title = {Metaphysik, Kunst und Sprache beim frühen Nietzsche},
	volume = 20,
	address = {Berlin and New York},
	year = 1988
}

@book{nietzsche-studien13,
	keywords = {secondary},
	title = {Nietzsche Studien},
	subtitle = {Internationales Jahrbuch für die Nietzsche-Forschung},
	editor = {Ernst Behler and Mazzino Montinari and Wolfgang Müller-Lauter and Heinz Wenzel},
	volume = 13,
	address = {Berlin and New York},
	year = 1984
}

@inbook{groddeck:geburt-in-ecce,
	crossref = {nietzsche-studien13},
	author = {Wolfram Groddeck},
	title = {"`Die Geburt der Tragödie"' in "`Ecce homo"'},
	subtitle = {Hinweise zu einer strukturalen Lektüre von Nietzsches "`Ecce homo"'},
	pages = {325--331}
}

@inbook{bruse:gesamtkunstwerk,
	crossref = {nietzsche-studien13},
	author = {Klaus-Detlef Bruse},
	title = {Die griechische Tragödie als \glq{}Gesamtkunstwerk\grq{} - Anmerkungen zu den musikästhetischen
        Reflexionen des frühen Nietzsche},
	pages = {156--176}
}

@book{nietzsche-studien12,
	keywords = {secondary},
	title = {Nietzsche Studien},
	subtitle = {Internationales Jahrbuch für die Nietzsche-Forschung},
	editor = {Ernst Behler and Mazzino Montinari and Wolfgang Müller-Lauter and Heinz Wenzel},
	volume = 12,
	address = {Berlin and New York},
	year = 1983
}

@inbook{schulz:function-and-place,
	crossref = {nietzsche-studien12},
	author = {Walter Schulz},
	title = {Funktion und Ort der Kunst in Nietzsches Philosophie},
	pages = {1--31}
}

@book{pathos-und-distanz,
	keywords = {secondary},
	title = {Pathos und Distanz},
	subtitle = {Studien zur Philosophie Friedrich Nietzsches},
	author = {Volker Gerhardt},
	address = {Stuttgart},
	year = 1988
}

@inbook{artisten-metaphysik,
	crossref = {pathos-und-distanz},
    title = {Artisten-Metaphysik},
    subtitle = {Zu Nietzsches frühem Programm einer ästhetischen Rechtfertigung der Welt},
    pages = {46--71}
}

@inbook{revolution,
	crossref = {pathos-und-distanz},
    title = {Nietzsches ästhetische Revolution},
    pages = {12--45}
}

@book{streit-um-geburt,
	keywords = {secondary},
	title = {Der Streit um Nietzsches "`Geburt der Tragödie"'},
	subtitle = {Die Schriften von E. Rohde, R. Wagner, U. v. Wilamowitz-Möllen\-dorff},
	introduction = {Karlfried Gründer},
	editor = {Karlfried Gründer},
	editortype = {compiler},
	address = {Hildesheim},
	year = 1969
}

@inbook{zukunftsphilologie,
	crossref = {streit-um-geburt},
	author = {Ulrich von Wilamowitz-Möllendorff},
	title = {Zukunftsphilologie!},
	pages = {27--55}
}

@inbook{zukunftsphilologie2,
	crossref = {streit-um-geburt},
	author = {Ulrich von Wilamowitz-Möllendorff},
	title = {Zukunftsphilologie!},
	subtitle = {Zweites Stück},
	pages = {113--135}
}

@book{schmidt:geburt,
	keywords = {secondary},
	author = {Jochen Schmidt},
	title = {Nietzsche-Kommentar},
	subtitle = {Die Geburt der Tragödie},
	editor = {{Heidelberger Akademie der Wissenschaften}},
	address = {Berlin and Boston},
	year = 2012
}

@inbook{colli:geburt-nachwort,
	keywords = {secondary},
	author = {Giorgio Colli},
	booktitle = {Friedrich Nietzsche},
	booksubtitle = {Kritische Studienausgabe},
    title = {Nachwort},
    subtitle = {Die Geburt der Tragödie},
	editor = {Giorgio Colli and Mazzino Montinari},
	edition = 2,
	address = {München},
    volume = 1,
	year = 1999,
    pages = {901--904}
}

@book{geschichte17-18,
	keywords = {secondary},
	author = "Emerich Coreth and Harald Schöndorf",
	title = "Philosophie des 17. und 18. Jahrhunderts",
	edition = 3,
	address = "Stuttgart and Berlin and Köln",
	year = 2000
}

@incollection{cambridge,
	author = "Kenneth Westphal",
	booktitle = "The Cambridge companion to Hegel",
	editor = "Frederick C. Beiser",
	title = "The basic context and structure of Hegel's Philosophy of Right",
	address = "Cambridge",
	pages = "234--269",
	year = "1993"
}

@incollection{cambridge0,
	author = "Allen W. Wood",
	booktitle = "The Cambridge companion to Hegel",
	editor = "Frederick C. Beiser",
	title = "Hegel's ethics",
	address = "Cambridge",
	pages = "211--233",
	year = "1993"
}

@incollection{schnaedelbach,
	author = "Herbert Schnädelbach",
	booktitle = "G. W. F. Hegel, Grundlinien der Philosophie des Rechts",
	editor = "Ludwig Siep",
	title = "Die Verfassung der Freiheit (§§272-340)",
	address = "Berlin",
	pages = "243--265",
	year = "1997"
}

@book{popper,
	author = "Karl R. Popper",
	title = "Alles Leben ist Problemlösen",
	edition = "14",
	address = "München/Zürich",
	year = "2010"
}

@book{thought,
	author = "Allen W. Wood",
	title = "Hegel's ethical thought",
	shorttitle = "Hegel's ethical thought",
	address = "Cambridge",
	year = "1990"
}

@book{blumenberg-secondary:schriften-technik,
	keywords = {secondary},
	author = "Hans Blumenberg",
	title = "Schriften zur Technik",
	editor = "Alexander Schmitz and Bernd Stiegler",
	address = "Berlin",
	year = "2015"
}

@book{mutschler:new-age,
	keywords = {secondary},
	author = "Hans-Dieter Mutschler",
	title = "Physik, Religion, New Age",
	edition = 2,
	address = "Würzburg",
	year = "1992"
}

@book{rohrbach:naturwissenschaft,
	keywords = {secondary},
	author = "Hans Rohrbach",
	title = "Naturwissenschaft, Weltbild, Glaube",
	subtitle = "Acht Variationen über ein Thema. Vom Sinn des Lebens",
	edition = 12,
	address = "Wuppertal",
	year = "1986"
}

@book{vaas:hawking,
	keywords = {secondary},
	author = "Rüdiger Vaas",
	title = "Hawkings neues Universum",
	subtitle = "Wie es zum Urknall kam",
	address = "München",
	year = "2010"
}

@book{sklar:physics,
    keywords = {secondary},
    author = "Lawrence Sklar",
    title = "Philosophy of Physics",
    address = "Oxford",
    year = "1992"
}

@book{barbour:naturwissenschaft,
    keywords = {secondary},
    author = "Ian G. Barbour",
    title = "Naturwissenschaft trifft Religion",
    subtitle = "Gegner, Fremde, Partner?",
    translator = {Regine Kather},
    address = "Göttingen",
    year = "2010"
}

@book{garff:biographie,
    keywords = {secondary},
	author = "Joakim Garff",
	title = "Sören Kierkegaard",
	subtitle = "Biographie",
	translator = "Herbert Zeichner and Hermann Schmid",
	address = "München",
	year = "2004"
}

@book{schlaepfer:kierkegaard,
	keywords = {secondary},
	author = "Walter Schläpfer",
	title = "Kierkegaards Zeitkritik",
	subtitle = "Philosophische Betrachtungen",
	address = "Zürich",
	year = "2008"
}

@book{boomgaarden:selbst,
	keywords = {secondary},
	author = "Jürgen Boomgaarden",
	title = "Das verlorene Selbst",
	subtitle = {Eine Interpretation zu Søren Kierkegaards Schrift "Die Krankheit zum Tode"},
	address = "Göttingen and Bristol",
	year = "2016"
}

@book{tietz:freiheit,
	keywords = {secondary},
	author = "Christiane Tietz",
	editor = "Christine Axt-Piscalar and Gunther Wenz",
	title = "Freiheit zu sich selbst",
	subtitle = "Entfaltung eines christlichen Begriffs von Selbstannahme",
	address = "Göttingen",
	year = "2005"
}

@book{thunissen:materialien,
	keywords = {secondary},
	author = "Michael Theunissen and Wilfried Greve",
	editor = "Michael Theunissen and Wilfried Greve",
	title = "Materialien zur Philosophie Søren Kierkegaards",
	address = "Frankfurt am Main",
	year = "1979"
}

@book{leinenbach:technik,
	keywords = {secondary},
	author = "Harald Leinenbach",
	title = "Die Körperlichkeit der Technik",
	subtitle = "Zur Organprojektionstheorie Ernst Kapps",
	address = "Essen",
	year = "1990"
}

@book{korte:kapp,
	keywords = {secondary},
	author = "Eduard Korte",
	title = "Kulturphilosophie und Anthropologie",
	subtitle = "Zum geistesgeschichtlichen Hintergrund Ernst Kapps",
	address = "Hamburg",
	year = "1992"
}

@book{fohler:techniktheorien,
    keywords = {secondary},
    author = "Susanne Fohler",
    title = "Techniktheorien",
    subtitle = "Der Platz der Dinge in der Welt des Menschen",
    address = "München",
    year = "2003"
}

@book{davies:tls,
	keywords = {secondary},
	author = "Joshua Davies",
	title = "Implementing SSL/TLS Using Cryptography and PKI",
	address = "Indianapolis",
	year = "2011"
}

@book{kersken:fachinformatiker,
	keywords = {secondary},
	author = "Sascha Kersken",
	title = "IT-Handbuch für Fachinformatiker",
	subtitle = "Der Ausbildungsbegleiter",
	edition = 7,
	address = "Bonn",
	year = "2015"
}

@inbook{maye:einleitung-kapp,
	keywords = {secondary},
	crossref = {kapp:technik},
	author = "Harun Maye and Leander Scholz",
	title = "Einleitung",
	pages = {VII--XLIV}
}

@book{dresler:KI,
	keywords = {secondary},
	author = "Martin Dresler",
	title = "Künstliche Intelligenz, Bewusstsein und Sprache",
	subtitle = {Das Gedankenexperiment des \glqq{}Chinesischen Zimmers\grqq{}},
	address = "Würzburg",
	year = "2009"
}

@book{kurzweil:menschheit,
	keywords = {secondary},
	author = "Ray Kurzweil",
	title = "Menschheit 2.0",
	subtitle = {Die Singularität naht},
	address = "Berlin",
	year = "2014"
}

@book{lothar:math,
	keywords = {secondary},
	author = "Lothar Papula",
	title = "Mathematik für Ingenieure und Naturwissenschaftler",
	subtitle = "Ein Lehr- und Arbeitsbuch für das Grundstudium",
	volume = {1},
	edition = {12},
	year = {2009},
	address = "Wiesbaden"
}

@book{nauer:seelsorge,
	keywords = {secondary},
	author = "Doris Nauer",
	title = "Seelsorge",
	subtitle = "Sorge um die Seele",
	edition = 3,
	address = "Stuttgart",
	year = "2014"
}

@book{cambridge:ai,
	keywords = {secondary},
	booktitle = "The Cambridge Handbook of Artificial Intelligence",
	editor = "Keith Frankish and William M. Ramsey",
	address = "Cambridge",
	pages = "151--167",
	year = "2014"
}

@incollection{danks:ai,
	keywords = {secondary},
	author = "David Danks",
	title = "Learning",
	crossref = {cambridge:ai}
}

@book{frank:lebendiges-wissen,
	keywords = {primary},
	author = "Simon L. Frank",
	introduction = "Dennis Stammer",
	translator = "Vera Ammer and Peter Ehlen",
	year = "2013",
	address = "München",
	booktitle = "Lebendiges Wissen",
	booksubtitle = "Aufsätze zur Philosophie"
}

@incollection{frank:problem,
	keywords = {primary},
	title = "Erkenntnis und Sein. I. Das Transzendenzproblem",
	pages = "161--191",
	crossref = {frank:lebendiges-wissen}
}

@incollection{frank:meta,
	keywords = {primary},
	title = "Erkenntnis und Sein. II. Die metalogischen Grundlagen der begrifflichen Erkenntnis",
	pages = "192--222",
	crossref = {frank:lebendiges-wissen}
}

@incollection{frank:krise,
	keywords = {primary},
	title = "Die Krise der modernen Philosophie",
	pages = "47--55",
	crossref = {frank:lebendiges-wissen}
}

@book{frank:reality,
	keywords = {primary},
	author = "Simon L. Frank",
	booktitle = "Die Realität und der Mensch",
	booksubtitle = "Eine Metaphysik des menschlichen Seins",
	introduction = "Peter Ehlen",
	year = "2004",
	address = "München"
}

@incollection{ehlen:frank-intro,
	keywords = {primary},
	author = "Peter Ehlen",
	title = "Zur Ontologie und Anthropologie Simon L. Franks",
	crossref = {frank:reality}
}

@online{online:schillers-birth-1997,
	title = {Programm zu Schillers Geburtstag 1997 „Dieses ist nun einmal das Balladenjahr\dots“},
	url = {http://www.schiller-institut.de/seiten/schill97.htm},
	date = {2011-08-21},
	urldate = {2023-05-18}
}

@online{online:buecher-wiki-ballade,
	title = {Ballade},
	url = {http://www.buecher-wiki.de/index.php/BuecherWiki/Ballade},
	date = {2011-08-21},
	urldate = {2023-05-20}
}

@book{goethe:hamburger,
	author = "Johann Wolfgang von Goethe",
	title = "Goethes Werke",
	subtitle = "Hamburger Ausgabe",
	volume = {1},
	editor = {Erich Trunz},
	year = "1958",
	address = "Hamburg",
	edition = 4
}

@book{wege-zum-gedicht,
	editor = "von Rupert Hirschenauer and Albrecht Weber",
	maintitle = "Wege zum Gedicht",
	booksubtitle = "Interpretation von Balladen",
	volume = {2},
	edition = {2},
	address = {München and Zürich},
	year = "1963"
}	

@incollection{mueller-seidel:ballade,
	crossref = {wege-zum-gedicht},
	author = "Walter Müller-Seidel",
	title = "Die deutsche Ballade",
	subtitle = "Umrisse ihrer Geschichte",
	address = {München and Zürich},
	year = "1968"
}

@book{kayser:ballade,
	author = {Wolfgang Kayser},
	title = "Geschichte der deutschen Ballade",
	year = "1943",
	address = "Berlin",
	edition = 2
}

@online{online:kant-und-goethe,
	title = {Kant und Goethe},
	url = {http://www.textlog.de/35734.html},
	date = {2011-08-19},
	urldate = {2023-05-26}
}

@book{morris:philosophy-for-dummies,
	author = "Tom Morris",
	title = "Philosophie für Dummies",
	year = 2003,
	address = "Bonn",
	edition = 1,
	publisher = "mitp-Verlag"
}

@online{online:goethes-weltanschauung,
	author = "Rudolf Steiner",
	title = {Goethes Weltanschauung},
	subtitle = {Goethe und Hegel},
	url = {http://anthroposophie.byu.edu/schriften/006.pdf},
	date = {2011-08-19},
	urldate = {2023-05-26}
}

@book{schriften-der-goethe-gesellschaft-71,
	editor = "Golz and von Engelhardt",
	title = "Schriften der Goethe-Gesellschaft",
	subtitle = "Goethes Fichtestudien",
	publisher = "Verlag Hermann Böhlaus Nachfolger Weimar GmbH & Co.(www.metzverlag.de)",
	volume = "71",
	year = 2004,
	address = "Weimar"
}

@online{online:mozart-250,
	author = "Brigit,  Liebl",
	title = "Ludwig van Beethoven (1770-1827)",
	subtitle = "Referat",
	date = {2023-05-26},
	urldate = {2023-05-26},
	url = {https://www.schreiben10.com/referate/Musik/1/Ludwig-van-Beethoven-1770-1827--reon.php}
}

@book{moritz:balladen,
	author = "Karl Moritz",
	title = "Deutsche Balladen",
	subtitle = "Analyse für den Deutschunterricht",
	address = "Paderborn: Ferdinand Schönigh",
	year = 1972
}