Internet movie database, Oct. 14, 2003 (David Niven; b. Mar. 1, 1909, London, England; d. July 29, 1983, Château-d’Oex, Switzerland; sometimes credited as David Nivens; actor, 1930s-1980s)
All movie guide, Oct. 14, 2003 (David Niven; b. Mar. 1, 1910)
Celebrity biographies, c2003, in Lexis-Nexis, Oct. 31, 2003 (David Niven; b. Mar. 1, 1910, James David Graham Niven)
Biog. & geneal. master index, Aug. 18, 2004 (Niven, David (1909-) [7], Niven, David (1909-1983) [9], Niven, David (1910-) [29], Niven, David (1910-1983) [22])
IMDb. Aug. 18, 2004 (David Niven; b. London, England, Mar. 1, 1910; d. Château-d’Oex, July 29, 1983)