found: His The medieval theories of the just price, 1959.
found: His The language of sex, 1994:CIP t.p. (John W. Baldwin) info sheet (holds an endowed chair in history at Johns Hopkins)
found: Knights, lords, and ladies : in search of aristocrats in the Paris region, 1180-1220, 2019:ECIP title page (John W. Baldwin) foreword (professor of history, Johns Hopkins University; died in 2015)
found: Wikipedia, viewed April 25, 2019(John Wesley Baldwin; American historian; born July 13, 1929 in Chicago; died February 8, 2015; interests: medieval French history)