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Crawford RJM, Williams AJ, Hofmeyr JH, Klages NTW, Randall RM, Cooper J, Dyer BM, Chesselet Y 1995. Trends of African Penguin Spheniscus demersus populations in the 20th-century. South African Journal of Marine Science 16 (1) 101-118
Williams AJ, Steele WK, Cooper J, Crawford RJM 1990. Distribution, population-size and conservation of Hartlaub's Gull Larus hartlaubii. Ostrich: Journal of African Ornithology 61 (1-2) 66 – 76
Cooper J, Crawford RJM, Suter W, Williams AJ 1990. Distribution, population-size and conservation of the Swift Tern Sterna bergii in southern Africa. Ostrich: Journal of African Ornithology 61 (1-2) 56 – 65
Hockey PAR, Brooke RK, Cooper J, Sinclair JC, Tree AJ 1986. Rare and vagrant Scopalacid waders in southern Africa. Ostrich 57 (1) 37 - 55
Cooper J, Hockey PAR, Brooke RK 1985. Introduced mammals on South and South West African islands: History, effects on birds and control. Proceedings of the Birds and Man Symposium Bunning, J. L. 179-203
Hockey PAR, Cooper J, Duffy DC 1983. The roles of coastal birds in the functioning of marine ecosystems in southern Africa. South African Journal of Science 79 (4) 130-134

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