Encyclopedia of the Underground Railroad
J. Blaine Hudson
Francisco Franco: A Life From Beginning to End (World War 2 ...
Hourly History
The Reason's Proper Study: Essays Towards a Neo-Fregean Philosophy ...
Bob Hale & Crispin Wright
Tutorial on fuzzy logic
J. Jantzen
Introduction to TeX/LaTeX
A. J. Hildebrand
The Philosophy of Humanism
Corliss Lamont