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Reports and Other Items |
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| Authors: | David Lack E. M. Nicholson J. F. Burton E. A. R. Ennion |
| Abstract: | Annual Report of The Edward Grey Institute, by David Lack Origins and Progress of the Census of Heronries, by E. M. Nicholson Nest Record Scheme, by J. F. Burton The Bird Observatories in 1953, by E. A. R. Ennion |
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