found: Newman, K. B. Newman's Birds of southern Africa, 1983:title page (J.C. Sinclair)
found: His Ian Sinclair's Field guide to the birds of southern Africa, 1984:title page (Ian Sinclair) copyright (J.C. Sinclair) page 7 (Ian Sinclair, initials J.C.)
found: SA nat. bibl., 1984(Sinclair, J. C. (John Coffey))
found: SANB correspondence with author, March 2, 1988(date of birth: April 23, 1948)
found: BL AL recd. 20 Oct. 1988(John Coffey Ian Sinclair, born 23 April 1948)
found: BL auth. file, 23 May 2006(hdg.: Sinclair, Ian, 1948-)
found: Birds of southern Africa, 2011:title page (Ian Sinclair) page 4 of cover (one of Africa's foremost field birders; led many expeditions to find and research birds)