Books by Youmans
Appletons' Popular Science Monthly, April 1899 / Volume LIV, No. 6, April 1899 — Various
Appletons' Popular Science Monthly, April 1900 / Vol. 56, Nov. 1899 to April, 1900 — Various
Appletons' Popular Science Monthly, August 1899 / Volume LV — Various
Appletons' Popular Science Monthly, December 1898 / Volume LIV, No. 2, December 1898 — Various
Appletons' Popular Science Monthly, December 1899 / Vol. LVI, November, 1899 to April, 1900 — Various
Appletons' Popular Science Monthly, February 1899 / Volume LIV, No. 4, February 1899 — Various
Appletons' Popular Science Monthly, February 1900 / Vol. 56, November, 1899 to April, 1900 — Various
Appletons' Popular Science Monthly, January 1899 / Volume LIV, No. 3, January 1899 — Various
Appletons' Popular Science Monthly, January 1900 / Vol. 56, November, 1899 to April, 1900 — Various
Appletons' Popular Science Monthly, July 1899 / Volume LV, No. 3, July 1899 — Various
Appletons' Popular Science Monthly, June 1899 / Volume LV — Various
Appletons' Popular Science Monthly, March 1899 / Volume LIV, No. 5, March 1899 — Various
Appletons' Popular Science Monthly, March 1900 / Vol. 56, Nov. 1899 to April, 1900 — Various
Appletons' Popular Science Monthly, May 1899 / Volume LV, No. 1, May 1899 — Various
Appletons' Popular Science Monthly, November 1898 / Volume 54, November 1898 — Various
Appletons' Popular Science Monthly, November 1899 / Volume LVI, No. 1 — Various
Appletons' Popular Science Monthly, October 1899 / Vol. LV, May to October, 1899 — Various
Appletons' Popular Science Monthly, September 1899 / Vol. LV, May to October, 1899 — Various
