CRC Concise Encyclopedia of Mathematics, Second Edition
Eric W. Weisstein
The Handbook of Phonological Theory
John A. Goldsmith
A Companion to the Philosophy of Time
Adrian Bardon & Heather Dyke
Aldous Huxley
Nicholas Murray
The Routledge Handbook of Philosophy of Relativism
Martin Kusch
Cunningham's Encyclopedia of Magical Herbs
Scott Cunningham