Audubon, John James
Macmillan, 1985
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Mason, Victor
Periplus Editions, 1989
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Wright, Judith, 1915-2000
Angus and Robertson, 1962
Koleksi Publik
edited by Christopher M. Perrins, Alex L.A. Middleton
Facts on File, 1985
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edited by Bruce Campbell and Elizabeth Lack
Buteo Books, 1985
Buku Referensi