The Foundations of Arithmetic: A Logico-Mathematical Enquiry ...
Gottlob Frege
Basic Grammar and Usage
Penelope Choy & Dorothy Goldbart Clark
Natural Language Processing
Zoran Gacovski
Fog of War
Mark Bourrie
Vector Analysis and Cartesian Tensors, Third Edition
P C Kendall & D. E. Bourne
Runes and the Origins of Writing
Alain de Benoist