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Cattle Plague and Quarantine Regulations by W Brachetka
Cattle Plague and Quarantine Regulations by W Brachetka
Observations on the Ibex in Captivity by Dr M Meyer-Holzapfel
Observations on the Ibex in Captivity by Dr M Meyer-Holzapfel
Breeding Parrots and Parrakeets in a Public Zoo by G S Mottershead
Breeding Parrots and Parrakeets in a Public Zoo by G S Mottershead
Memorandum on Fertility Rates
Memorandum on Fertility Rates
The Difficulties of Breeding Bears, Especially Kodiak Bears, in Captivity by E H Tong
The Difficulties of Breeding Bears, Especially Kodiak Bears, in Captivity by E H Tong
Breeding Moose in the Berne Zoo by Dr M Meyer-Holzapfel
Breeding Moose in the Berne Zoo by Dr M Meyer-Holzapfel
Brown Bears (Ursus arctos) and Foxes (Vulpes vulpes) together in the same enclosure by Kai Curry-Lindahl
Brown Bears (Ursus arctos) and Foxes (Vulpes vulpes) together in the same enclosure by Kai Curry-Lindahl