The Bird Population of an Elm-Maple Forest with Special Reference to Aspection, Territorialism, and Coactions von Twomey, Arthur C.

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California Gulls and Exotic Eggs von Twomey, Arthur C.

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Breeding Habits of Bonaparte's Gull von Twomey, Arthur C.

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Bird Migration and Climatology von Twomey, Arthur C

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Climographic Studies of Certain Introduced and Migratory Birds von Twomey, Arthur C.

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Selenium and Duck Sickness von Twomey, Arthur C., Twomey, Sarah J.

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Needle to the North. The Story of an Expedition to Ungava and the Belcher Islands von Nice, Margaret M.

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Selenium and Duck Sickness von Twomey, Arthur C., Twomey, Sarah J., Williams, Loring R.

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From Field and Study von Sooter, Clarence A., Dalquest, Walter W., Twomey, Arthur C., Quaintance, Charles W., Orr, Robert T., Dill, William A., Shaw, William T.

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From Field and Study von Williams, Laidlaw, Baker, Rollin H., McMurry, Frank B., Monson, Gale, Jewett, Stanley G., Hering, Louise, Jaeger, Edmund C., Twomey, Arthur C., Gullion, Gordon W., Pitelka, Frank A., Roest, Aryan I., Munro, J. A., Grant, Chapman, Stoner, Emerson A., Pulich, Warren, Russell, Ward C., Kent, W. A., Alcorn, Gordon D., Laughlin, John, Hall, Edward M.

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Refugee rights and realities von Nicholson, Frances, Twomey, Patrick, Helton, Arthur C

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Refugee Rights and Realities: Evolving International Concepts and Regimes von Helton, Arthur C.

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