- found: His Henderson's head, 1973.
- found: Contemp. theatre, film, and television: v. 9 (Cookson, Peter; b. May 8, 1913, Milwaukee, OR, d. Jan. 7, 1990, Southfield, MA; actor, producer, and writer)
- found: Information from 678 converted Dec. 18, 2014 (Broadway & film actor)
- 1981-10-21: new
- 2014-12-18: revised