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