(1971) XVI Internationaal Ornithologisch Congres. LIMOSA 44 (3): 204-204.

Ret International Ornithological Committee met at the end of it 1970 in The Hague held XV International Ornithological Congress corresponds to the next Congress in 1974 in Australia to hold. Professor J. Thirst was appointed chairman. The Australian invitation was jointly offered by the Royal Australian Ornithologists Union and the Australian Academy of Sciences

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