The Story of Be: A Verb's-Eye View of the English Language
David Crystal
Social philosophy
By Gerald F. Gaus
The Cambridge Handbook of Linguistic Code-Switching
Barbara E. Bullock & Almeida Jacqueline Toribio
Cambridge Handbooks in Language and Linguistics (1)
Great books of the Western World - Volume 41
Encyclopaedia Britannica, Inc.
The Oxford Handbook of Philosophy of Death
Fred Feldman & Jens Johansson & Ben Bradley
Webster's Dictionary and Thesaurus
Merriam-Webster, Inc
Webster's Dictionary for Students
Merriam-Webster