The Elements of Moral Philosophy
Stuart Rachels & James Rachels
Essays on Marx's Theory of Value
Isaak Ilʹich Rubin & Miloš Samardźija & Fredy Perlman
Myth, Materiality and Lived Religion
Klas Wikström af Edholm & Peter Jackson Rova
Philosophy of History
Georg Wilhelm Friedrich Hegel
Encyclopedia of Philosophy (Ed.) (2)
Donald M. Borchert
Cunningham's Encyclopedia of Magical Herbs
Scott Cunningham