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2. The sea-birds of the southeast coast of Arabia;Bailey;Bull. Peabody Mus. Nat. Hist.,1966
3. Some notes from Port Etienne, Mauritania, and the coast of the Rio de Oro;Bird;Bull. Peabody Mus. Nat. Hist.,1937
4. The birds of the Cape Verde Islands;Bourne;Bull. Peabody Mus. Nat. Hist.,1955
5. Observations of sea birds;Bourne;Sea Swallow,1966