Bibliography
(The required and recommended books are available at
Talking Leaves)
(Required) Algeo, John and Thomas Pyles.
The Origins and Development of the English Language. Thomson. (Fifth Edition; ISBN-13: 978-0155070554)
(Recommended) Denning, Keith and William R. Leben.
English vocabulary elements. Oxford UP. (ISBN: 978-0-19-506609-8)
(Cited) Winchester, Simon.
The Professor and the Madman: A Tale of Murder, Insanity, and the Making of The Oxford English Dictionary. Harper Perennial. (ISBN: 978-0060994860)