Die Vogelwarte Helgoland
By: von Heinrich Gätke ; herausgegeben von Rudolf Blasius.
Contributors: Blasius, Rudolf, 1842-1907.
Edition: 2. verm.Aufl.
Publisher: Joh. Heinr. Meyer
Published: 1900
Place of publication: Braunschweig
Language: ger
Number of pages: 654
Subjects: Birds -- Germany -- Helgoland.; Birds -- Migration.
Notes: Includes index.