5 Pages in Charles Darwin's Library associated with "physical conditions - cretinism"

Inquiries concerning the intellectual powers and the investigation of truth
By: Abercrombie, John.
Publication info: London, John Murray, 1838
Pages: Page 355 Page 355 Page 356 Page 356
Researches into the physical history of mankind
By: Prichard, James Cowles.
Publication info: London, Sherwood, Gilbert & Piper, 1836
Volume: v.2
Pages: Page 339