publikation_series.php%3Fid=20766
1894 in birding and ornithology1895 in birding and ornithology1896 in birding and ornithology1897 in birding and ornithology1898 in birding and ornithology1899 in birding and ornithology1900 in birding and ornithology1901 in birding and ornithology1902 in birding and ornithology1903 in birding and ornithology