A Study of History - Volume 6 - Disintegration of Civilizations
Arnold J. Toynbee
The Secret Society: Cecil John Rhodes’s Plans for a New World ...
Robin Brown
Tesla Technology: Lost Inventions, Radio Tesla, Tesla Coil Combined, ...
George Trinkaus
Historical and Comparative Linguistics
Raimo Anttila
On Purposeful Systems: An Interdisciplinary Analysis of Individual ...
Russell Lincoln Ackoff & Frederick Edmund Emery & Brent D. Ruben
Mathematical Reasoning: Writing and Proof, Version 2.0
Ted Sundstrom
Mathematical Reasoning: Writing and Proof - Version 1.1