-Classics in the History of Psychology, Autobiography of Mary Whiton Calkins

http://pscyhclassics.yorku.ca/Calkins/murchison.htm

-A Student's Website from Webster

http://www.webster.edu/~woolflm/marycalkins.html

-University of Dayton Links

http://elvers.stjoe.udayton.edu/history.asp?RURL=http://elvers.stjoe.udayton.edu/history/people/calkins.htm

-Mary Whiton Calkin: The Life and Times

http://www.mtguerin.org/Chem/MWC/CALKINS.html

-Calkins the Philosopher

http://cloudzeye.com/philo.html

-K. Milar edits: An Historical View of Some Early Women Psychologists and the Psychology of Women

http://www.psych.yorku.ca/classics/Special/Women/variability.htm