Appletons' Popular Science Monthly, December 1898 Volume LIV, No. 2, December 1…
Appletons' Popular Science Monthly, February 1899 Volume LIV, No. 4, February 1…
Appletons' Popular Science Monthly, November 1898 Volume 54, November 1898
Appletons' Popular Science Monthly, January 1899 Volume LIV, No. 3, January 1899
Appletons' Popular Science Monthly, March 1899 Volume LIV, No. 5, March 1899
Appletons' Popular Science Monthly, April 1899 Volume LIV, No. 6, April 1899
Appletons' Popular Science Monthly, November 1899 Volume LVI, No. 1
Appletons' Popular Science Monthly, May 1899 Volume LV, No. 1, May 1899
Appletons' Popular Science Monthly, June 1899 Volume LV
Appletons' Popular Science Monthly, July 1899 Volume LV, No. 3, July 1899
Appletons' Popular Science Monthly, August 1899 Volume LV
Appletons' Popular Science Monthly, September 1899 Vol. LV, May to October, 1899
Appletons' Popular Science Monthly, March 1900 Vol. 56, Nov. 1899 to April, 1900
Appletons' Popular Science Monthly, October 1899 Vol. LV, May to October, 1899
Appletons' Popular Science Monthly, December 1899 Vol. LVI, November, 1899 to A…
Appletons' Popular Science Monthly, January 1900 Vol. 56, November, 1899 to Apr…
Appletons' Popular Science Monthly, February 1900 Vol. 56, November, 1899 to Ap…
Appletons' Popular Science Monthly, April 1900 Vol. 56, Nov. 1899 to April, 1900