On the Number of Inequivalent Steiner Triple Systems E. F. ASSUMUS, JR. AND H. F. MATTSON, JR.
Page 301 : Contrary to the impression given, the second-named author has never been employed by Wesleyan University and was employed by the Sylvania Applied Research Laboratory during his research on this topic. Support for this research came in part from the Air Force Cambridge Research Laboratories under Contract No. AF-19(604)8516. Page 303: the first line of Theorem 1 should read " N(m)~ 2 x " where x is that portion of the line as now printed standing to the right of the first "2" that appears.