Introduction to Automata Theory, Languages, and Computation
John E. Hopcroft & Rajeev Motwani & Jeffrey D. Ullman
The Philosophy of Language
A. P. Martinich
The Routledge Companion to Semiotics and Linguistics
Paul Cobley
Language Contact: An Introduction
Sarah G. Thomason
C.S. Lewis: A Life Inspired
Christopher Gordon
Scientific Introspection
William A. Adams