The Cambridge Biographical Encyclopedia, 2nd edition, edited by David Crystal: Cambridge University Press, 1998.
Chambers Biographical Dictionary, 6th edition, edited by Melanie Parry: Larousse Kingfisher Chambers, 1997.
Contemporary Theatre, Film, and Television: Gale Research. Entries in Volumes 8 (1990), 16 (1997), and 26 (2000).
Current Biography: H. W. Wilson, annual. Entry in online edition only, dated 2001.
The Dragon Entertains--100 Welsh Stars by Alan Roderick: Wales Books (Glyndwr Publishing), 2000.
Encyclopedia of British Film, edited by Brian McFarlane: BFI/Methuen, c2003.
Film Actors Directory, Fourth Edition, edited by Steven A. LuKanic: Lone Eagle, 1998.
International Motion Picture Almanac: Quigley Publishing Company, annual. Entries in each edition from 1992-present.
International Who’s Who: Europa Publications, annual. Entries in each edition from the 57th (1993/94) to the 65th (2002).
Legends in Their Own Time: Prentice Hall General Reference, 1994.
Quinlan’s Illustrated Directory of Film Character Actors, David Quinlan: Batsford, 1985.
Who’s Who, An Annual Biographical Dictionary: Palgrave, annual. (Previously published by St. Martin’s Press). Entries in each edition from the 164th (1994) to the 154th (2002).
Who’s Who in America: Marquis, annual. Entries in each edition from the 49th (1995) to the 56th (2002).
Who’s Who in Entertainment: Marquis, annual. Entries in each edition from the third (1998/99) to the 7th (2002/03).
Who’s Who in
Hollywood: The Largest Cast of International Film Personalities Ever
Assembled, David Ragan: Facts on File, 1992.