Collins English Dictionary
Collins Dictionaries
The Salvia divinorum Research and Information Center
Research Information Center
Philosophy of Mind - Essay
George Trumbull Ladd
The Origins of Communism in Turkey
George Sellers Harris
The Wrong Word Dictionary: 2,500 Most Commonly Confused Words
Dave Dowling
Schaum's Outline of Mathematica®, 2ed
Eugene Don
Schaum's Outline Series (1)
Schaum's Outline of Complex Variables, 2ed
Murray Spiegel & Seymour Lipschutz & John Schiller & Dennis Spellman
How to Pass Advanced Verbal Reasoning Tests
Mike Bryon