William Glen, 1959 Pliocene and Lower Pleistocene of the Western Part of the San Francisco Peninsula, University of California Publications in the Geological Sciences, University of California Press, 36, 2: l47-l98, plates 15-17, 5 text figs., 1959.
^Secord, James A. (November 1984). "Reviewed Work: The Road to Jaramillo: Critical Years of the Revolution in Earth Science by William Glen". The British Journal for the History of Science17 (3): 316–318. JSTOR4026630.
^Forrester, John (Spring 1995). "Reviewed Work: The Mass-Extinction Debates: How Science Works in a Crisis, edited by William Glen". Science, Technology, & Human Values20 (2): 267–269. JSTOR689995.