Collier, Richard, 1924-1996 (Personal Name)
Grattidge, H. Captain of the Queens, 1956.
Contemporary authors, volumes 1-4, first revision, 1967: (Richard Collier, b. Mar. 8, 1924; home, Burgh Heath, Surrey, England)
FamilySearch, Sept. 21, 2016: England and Wales Death Registration Index 1837-2007 (Richard Hughesdon Collier, b. Mar. 8, 1924; death registered Oct/Nov/Dec quarter 1996, Sutton, Surrey) https://familysearch.org/ark:/61903/1:1:QVZD-ZFTQ
The gazette, June 24, 1998: (Richard Hughesdon Collier, d. 17th December 1996) https://www.thegazette.co.uk/notice/L-55177-574