Philosophy of Science
Jeffrey L. Kasser
The Online English Grammar
Anthony Hughes
The Dream Encyclopedia
James R. Lewis & Evelyn Dorothy Oliver
Spinors, Twistors, Quaternions, and the “Spacetime” Torus Topology
Nassim Haramein & Elizabeth A. Rauscher
Frankenstein's Castle: The Double Brain, Door to Wisdom
Colin Wilson
Roget's Super Thesaurus
Marc McCutcheon
Merriam-Webster's Dictionary and Thesaurus
Merriam-Webster
Longman Photo Dictionary of American English
Pearson Education, Inc. & Longman Staff & Longman & Pearson Education Staff
Scholastic Dictionary of Synonyms, Antonyms, and Homonyms
Scholastic Inc.