(en) Patrick Nicholson, In Time: An Anecdotal History of the First Fifty Years of the University of Houston, Houston, Texas, Pacesetter Press, (ISBN978-0-88415-371-9, OCLC3373191, LCCN77071492), p. 250
(en) Patrick Nicholson, In Time: An Anecdotal History of the First Fifty Years of the University of Houston, Houston, Texas, Pacesetter Press, (ISBN978-0-88415-371-9, OCLC3373191, LCCN77071492), p. 458
worldcat.org
(en) Patrick Nicholson, In Time: An Anecdotal History of the First Fifty Years of the University of Houston, Houston, Texas, Pacesetter Press, (ISBN978-0-88415-371-9, OCLC3373191, LCCN77071492), p. 250
(en) Patrick Nicholson, In Time: An Anecdotal History of the First Fifty Years of the University of Houston, Houston, Texas, Pacesetter Press, (ISBN978-0-88415-371-9, OCLC3373191, LCCN77071492), p. 458