found: His Class, religion, and local politics in Wilhelmine Germany, 1980:t.p. (David Blackbourn) CIP data sheet (b. 1949 in Yorkshire, England)
found: His Populists and patricians, 1987:CIP t.p. (David Blackbourn, Birkbeck Coll., Univ. of London) data sheet (Blackbourn, David Gordon)
found: Wikipedia, WWW site, viewed January 12, 2017(David Blackbourn; historian; born 1949 in Lincolnshire, England; studied at Jesus College, University of Cambridge; moved to U.S.; taught at Harvard; professor of modern German and European history, Vanderbilt University)