A History of the Logarithmic Slide Rule and Allied Instruments, ...
Florian Cajori
The Riddle of the Labyrinth: The Quest to Crack an Ancient Code
Margalit Fox
Cryptography in C and C++
Michael Welschenbach
Christopher Columbus: A Life From Beginning to End
Hourly History
The Verge of Philosophy
John Sallis & Professor Frederick J Adelmann S J Chair John Sallis
The Old Navy
Daniel P. Mannix
The History of Torture