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  1. Heligoland as an ornithological observatory; the result of fifty years' experience, by Heinrich Gätke. Tr. by Rudolph Rosenstock.
    By: Gätke, Heinrich, - Rosenstock, Rudolph.
    Publication info: Edinburgh,D. Douglas,1895.
    Contributed by: American Museum of Natural History Library
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  2. The migration of birds; a consideration of Herr Gätke's views,
    By: Whitlock, F. B. - Gätke, Heinrich,
    Publication info: London,R. H. Porter,1897.
    Contributed by: Cornell University Library
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  3. Die Vogelwarte Helgoland / von Heinrich Gätke ; herausgegeben von Rudolf Blasius.
    By: Gätke, Heinrich, - Blasius, Rudolf,
    Edition: 2. verm. Aufl.
    Publication info: Braunschweig :Joh. Heinr. Meyer,1900.
    Contributed by: American Museum of Natural History Library
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  4. Die vogelwarte Helgoland. Von Heinrich Gätke ... Hrsg. von prof. Dr. Rudolf Blasius.
    By: Gätke, Heinrich, - Blasius, Rudolf,
    Publication info: Braunschweig,J.H. Meyer,1891.
    Contributed by: Smithsonian Libraries
    BHL Collections: Smithsonian Institution Libraries
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