The Syntax of the Celtic Languages: A Comparative Perspective
Robert D. Borsley & Ian Roberts
Merriam-Webster's Advanced Learner's English Dictionary
Merriam-Webster
The Symbolic Species: The Co-Evolution of Language and the Brain
Terrence William Deacon
Introduction to Complex Analysis
A. G. Vitushkin & E. M. Chirka & P. Dolbeault & G. M. Khenkin
Preliminary Discourse on Philosophy in General
Christian Freiherr von Wolff
The Python Language Reference Manual
Guido van Rossum & Fred L. Jr. Drake