His The Danteum, 1985: t.p. (Thomas L. Schumacher)

LC in RLIN, 4/7/86 (hdg.: Schumacher, Thomas L.)

His The Danteum, c1985: t.p. (Thomas L. Schumacher) p. 3 of jacket (b. 1941)

Washington post WWW site, July 28, 2009 (Thomas L. Schumacher; d. July 15 [2009] at 67; expert on Italian architecture; prof. at the Univ. of Md.'s architecture school)