found: His The mercenaries, 1960.
found: LCCN 67-15406: Westlake, D.E. Philip, 1967: usage: (D.E. Westlake)
found: LC data base, 8-13-85 (hdg.: Westlake, Donald E.; usage: Donald E. Westlake; D.E. Westlake; Richard Stark; Tucker Coe; John B. Allan)
found: His The outfit, 1988: CIP t.p. (Donald Westlake as Richard Stark)
found: CA, v. 16, c1986 (Westlake, Donald Edwin, 1933-; pseuds.: John B. Allan, Tucker Coe, Richard Stark)
found: U.S. copyright file, July 29, 1998 (Holt, Samuel, pseud. of Donald E. Westlake)
found: Sex is a woman, c1964: t.p. (Sheldon Lord)
found: Anarchaos, c1967: t.p. (Curt Clark)
found: Ex officio, 1970: t.p. (Timothy J. Culver)
found: Biog. resource center (Contemp. authors), Mar. 20, 2008 (Donald E. Westlake; also known as Tucker Coe, John B. Allan, Richard Stark, Samuel Holt, Sheldon Lord, Curt Clark, Timothy J. Culver, Tucker Toe, J. Morgan Cunningham, Alan Marshall, Edwin West; b. July 12, 1933, Brooklyn, N.Y.; writer)
found: His Web site, Mar. 20, 2008 (Donald E. Westlake; pseuds. listed: Richard Stark, Tucker Coe, Samuel Holt, Edwin West [Brother and Sister,1961; Campus doll, 1961; Young and innocent , 1961; Strange affair, 1962], Curt Clark, Timothy J. Culver, John B. Allan, J. Morgan Cunningham)
found: New York times WWW site, Jan. 2, 2009 (in obituary published Jan. 1: Donald E. Westlake; b. Donald Edwin Westlake, July 12, 1933, Brooklyn; d. Wednesday night [Dec. 31, 2008], Mexico, aged 75; prolific, award-winning mystery novelist who pounded out more than 100 books and 5 screenplays on manual typewriters during a career of nearly 50 years)