A Separate God: The Christian Origins of Gnosticism
Simone Pétrement
Dictionary of Computing: Over 10,000 Terms Clearly Defined
Simon Collin
Note on the Problem of Great Stellar Distances
Harlow Shapley
A History of Greek Philosophy, Volume 6 Aristotle, An Encounter
W. K. C. Guthrie
The Cambridge Encyclopedia of the Language Sciences
Patrick Colm Hogan
Linguistics: A Complete Introduction
David Hornsby
The Origin of (Almost) Everything
Graham Lawton & Stephen Hawking
Astronomy: All That Matters
Percy Seymour
All That Matters (1)