- http://inogolo.com/pronunciation/d360/Friedrich_Nietzsche Audio link Pronunciation (English and German) for Friedrich Nietzsche
- http://www.nietzschesource.org/ Nietzsche Source: Digital version of the German critical edition of the complete works and Digital facsimile edition of the entire Nietzsche estate
- http://www.lexido.com/ Lexido: Searchable Database index of Public Domain editions of all Nietzsche's major works
- http://www.weple.org/timeline.html#ids=14631,12007,12598,700,10671,9518,37304,95184,&title=8%20German%20Philosophers Timeline of German Philosophers
- Walter Kaufmann 1960 https://archive.org/details/NietzscheAndTheCrisisInPhilosophy Prof. Nietzsche and the Crisis in Philosophy Audio
- http://www.brianleiternietzsche.blogspot.com/ Brian Leiter's Nietzsche Blog: News, polls, and discussion about Nietzsche and current events in Nietzsche scholarship from Brian Leiter (University of Chicago).
- BBC (1999). "Beyond Good and Evil". Human, All Too Human.