More companions and guides are listed under categories
General philosophy reference
Branches of philosophy
History of Western philosophy (general)
Classical Graeco-Roman philosophy (general)
Medieval and renaissance philosophy
See Early modern philosophy through 19th century (general); Descartes; Hobbes; Leibniz; Locke; Spinoza; Other 17th-century philosophers
See Early modern philosophy through 19th century (general); Hegel; Kierkegaard; Marx; Mill; Nietzsche; Other 19th-century philosophers
See Derrida; Heidegger; Husserl; Sartre; Wittgenstein; Other 20th-century philosophers
See also 20th-century philosophy (general); Continental philosophy