Metaphysics: An Anthology
Jaegwon Kim & Ernest Sosa
Encyclopedia of Modern Optics
Bob D. Guenther & Duncan Steel
Philosophy of Space and Time: And the Inner Constitution of ...
Michael Whiteman
How Languages Work: An Introduction to Language and Linguistics
Carol Genetti
Kant-Studien Philosophische Zeitschrift der Kant-Gesellschaft ...
Hans Vaihinger
The First Five Years of the Communist International
Leon Trotsky
The First Five Years of the Communist International, Vol, II: ...
Leon Trotsky & John G. Wright
Writings of Leon Trotsky (1929)
Writings of Leon Trotsky (1930-31)
Writings of Leon Trotsky (1932)
Writings of Leon Trotsky (1934-35)