Cambridge School Dictionary
Cambridge University Press
The Journal of Philosophy - Volume CXV, Number 5 - May 2018
The Journal of Philosophy
Great Books of the Western World - Volume 5
Encyclopaedia Britannica, Inc
Central Works of Philosophy: Ancient and Medieval
John Shand
The Game: Undercover in the Secret Society of Pickup Artists
Neil Strauss
American Tragedy
Lawrence Schiller & James Willwerth