Philosophy and philosophers
Logic, epistemology, metaphysics
Psychological observations
'The genius of the heart...".
A chronology of Friedrich Nietzsche
1. Fate and history : thoughts (1862)
2. Freedom of will and fate (1862)
5. On Schopenhauer (1868)
6. The birth of tragedy from the spirit of music (1872)
7. The Greek state (1871-2)
8. Homer's contest (1872)
9. Philosophy in the tragic age of the Greeks (1873)
10. On truth and lies in a nonmoral sense (1873)
11. On the utility and liability of history for life (1874)
12. Schopenhauer as educator (1874)
pt. III. The middle period
13. Human, all too human : a book for free spirits, volume 1 (1878)
14. Daybreak : thoughts on the prejudices of morality (1881)
15. The gay science (1882)
pt. IV. Thus spoke Zarathustra
17. Thus spoke Zarathustra : a book for everyone and no one (1883-5)
pt. V. The later writings
18. Beyond good and evil : prelude to a philosophy of the future (1886)
19. The gay science, book V (1887)
20. European Nihilism (1887)
21. On the genealogy of morality : a polemic (1887)
22. The case of Wagner : a musicians' problem (1888)
23. Twilight of the idols ; or, How to philosophize with a hammer (1888)
24. The anti-Christ : curse on Christianity (1888)
25. Ecce homo : how one becomes what one is (1888)
26. Four letters (1888-9).