James McKeen, 1860-1944 Cattell

• Appletons' Popular Science Monthly, May, 1900 Vol. 57, May, 1900 to October, 1900
• The Popular Science Monthly, August, 1900 Vol. 57, May, 1900 to October, 1900
• The Popular Science Monthly, July, 1900 Vol. 57, May, 1900 to October, 1900
• The Popular Science Monthly, June, 1900 Vol. 57, May, 1900 to October, 1900
• The Popular Science Monthly, October, 1900 Vol. 57, May, 1900 to October, 1900
• The Popular Science Monthly, September, 1900 Vol. 57, May, 1900 to October, 1900
• The Scientific Monthly, October to December, 1915