1881 May 24, Dr. Whyte, speech transcribed in Proceedings and Debates of the General Assembly of the Free Church of Scotland, Held at Edinburgh, May 1881, John Thomson (editor), Ballantyne, Hanson & Co. (publishers), page 88:
There may be differences of opinion as to the best way of discharging professorial responsibilities, but surely Professor Smith has shown sensibility enough in connection with his professorial opportunities.
a.1893, Philip Schaff, History of the Christian Church: The Swiss Reformation, Volume II, T. & T. Clark (publishers, 1893), page 366–7:
The city paid him [John Calvin] a very meagre salary of fifty-two guilders (about two hundred marks) for his professorial duties from May, 1539.
1997, Pamela M. Henson, “‘Through Books to Nature’: Anna Botsford Comstock and the Nature Study Movement”, in Barbara T. Gates and Ann B. Shteir (editors), Natural Eloquence: Women Reinscribe Science, University of Wisconsin Press, →ISBN, page 121:
Adamant that women could not enter the professorial fraternity, Cornell [University] did not appoint any women professors until 1911 and then only in home economics. Comstock regained her professorial title only in 1913, after working for many years as a lecturer (Conable 127, 130).
