William Jay Youmans

Books by

Appletons' Popular Science Monthly, August 1899
Appletons' Popular Science Monthly
Pioneers of Science in America
Appletons' Popular Science Monthly, April 1899; Volume LIV, No. 6, April 1899
Appletons' Popular Science Monthly, December 1899; Vol. LVI, November, 1899 to April, 1900
The Elements of Physiology and Hygiene

William Jay Youmans

Created by

The Elements of Physiology and Hygiene

William Jay Youmans

Edited by

The Popular Science Monthly