(Q51487281)
Statements
Heligoland as an ornithological observatory; the result of fifty years' experience (English)
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Heinrich Gätke
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Rudolph Rosenstock
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unknown value
D. Douglas
Edinburgh
1895
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Heligoland as an ornithological observatory; the result of fifty years' experience (IA heligolandasorni00gtrich).pdf
781 × 1,229, 650 pages; 37.61 MB
781 × 1,229, 650 pages; 37.61 MB
0 references