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Total number of records: 2
On the migration of birds : lecture
Herman, Ottó (1835-1914)
1905
Paper given at the 4th International Ornithological Congress, London, 1905.
Recensio critica automatica of the doctrine of bird-migration
Herman, Ottó (1835-1914); Magyar Ornithologiai Központ
1905
At head of title: Magyar Ornithologiai Központ. Hungarian Central Office of Ornithology.