found: His Wilder Bentley the Elder at the Archetype Press, 1982:cover (Bernard Rosenthal) p. 6 (in 1980 he published W. Pettas' monograph The Giunti of Florence [LC record 79-25059 with imprint San Francisco : B.M. Rosenthal])
found: Dilectissimo suo Bernardo Rosavall. Berkel. Bibliopolae, 2010:broadside face (Bernard M. Rosenthal; Bernardo Rosavall.; b. May 5, 1920)
found: Slive, D. J. Interview with Bernard M. Rosenthal, in RBM, Spring 2003:p. 45 (antiquarian bookseller based in Berkeley, Calif.; born in Munich in 1920; immigrated to U.S. in 1939; bachelor's degree from University of California at Berkeley, 1941; has been president of the Antiquarian Booksellers' Association of America)
found: SFGate obituaries, publication date January 22, 2017, viewed January 24, 2017(Bernard M. Rosenthal; May 5, 1920 - January 14, 2017; died in Oakland)
notfound: WW in Amer., 1982/83;WW in the West, 1984/85;Tanselle, G.T. Guide to the study of U.S. imprints, 1971;LC manual cat. (only his firm: Bernard M. Rosenthal, inc.)