Historical Dictionary of International Intelligence
Nigel West
Historical Dictionaries of Intelligence and Counterintelligence (1)
Chambers Slang Dictionary
Jonathon Green
The Jungle
Upton Sinclair
New Life for Old Houses
George Stephen
Astronomy: All That Matters
Percy Seymour
All That Matters (1)
Penrose Tiles to Trapdoor Ciphers: And the Return of Dr Matrix
Martin Gardner