Valentinian Ethics and Paraenetic Discourse: Determining the ...
Philip L. Tite
Principia Mathematica Vol 2.
Bertrand Russell & Alfred North Whitehead
A Dictionary of Grammatical Terms in Linguistics
R. L. Trask
An Illustrated Brief History of Western Philosophy
Anthony Kenny
Inversive Geometry (following Harold S.M. Coxeter)
Wojciech Wieczorek
The Art of Nonfiction: A Guide for Writers and Readers
Ayn Rand & Robert Mayhew