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Armistead, H.T. 1974. Iceland gulls, Forsters' terns nests and breeding herons 

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Austin, O.L. 1938. Some results of adult tern trapping in the Cape Cod colonies. 

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Austin, O.L. 1941. Status of the Cape Cod terns in 1941 from the standpoint of 

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Austin, O.L. 1942. The life span of the common tern ( Sterna hi rundo ). Bird- 

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Austin, O.L. 1942. Terns on Cape have good season. Bull. Mass. Audubon Soc. 

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Austin, O.L. 1944. The status of Tern Island and the Cape Cod terns in 1943. 

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Austin, O.L. 1945. The role of longevity in successful breeding by the common 

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