His An introduction to the theory of groups, c1984: CIP t.p. (Joseph J. Rotman, Univ. of Ill., Urbana)

LC data base, 6-17-83 (hdg.: Rotman, Joseph J., 1934-)

His An introduction to the theory of groups, 1994: CIP t.p. (Joseph Rotman)

Library of Congress/NACO in VIAF, 18 August 2017 (Rotman, Joseph J., 1934-)

Wikipedia, 18 August 2017 (Joseph J. Rotman (May 26, 1934 - October 16, 2016); was a profefssor or mathematics at the University of Illinois Urbana-Champaign; undergraduate and graduate work at the University of Chicago, receiving his doctorate in 1959; at the University of Illinois (1959-2004); managing editor of the Proceedings of the American Mathematical Society (1972-1973))

U.S., Find a Grave Index, 1600s-Current, 18 Aygyst 2017 (Joseph Rotman; birth date: 26 May 1934; birth place: Chicago, Cook County, Illinois; death date: 16 Oct 2016; death place: Urbana, Champaign County, Illinois)