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  1. Beiträge zur Kenntnis der Meeresalgen /
    By: Kuckuck, Paul,
    Publication info: Kiel :Lipsius & Tischer,1897-
    Contributed by: Mertz Library, The New York Botanical Garden
    Subjects: Germany  Helgoland  Marine algae  
    BHL Collections: New York Botanical Garden
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  2. 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
    Subjects: 59.82(43.51:22)  Birds  Germany  Helgoland  Migration  
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  3. Heligoland as an ornithological observatory; the result of fifty years' experience,
    By: Gätke, Heinrich. - Rosenstock, Rudolph.
    Publication info: Edinburgh,D. Douglas,1895.
    Contributed by: University of California Libraries (archive.org)
    Subjects: Birds  Germany  Helgoland  Migration  Natural history  
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  4. 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
    Subjects: 59.82(43.51:22)  Birds  Germany  Helgoland  Migration  
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