National Wildlife Federation, Raptor Information Center, US

Working bibliography of the owls of the world : with summaries of current taxonomy and distributional status

1978 Clark, Richard J. | Smith, Dwight G. | Kelso, Leon H. | Curry-Lindahl, Kai |

Conservation studies on raptors : based on the proceedings of the second World Conference on Birds of Prey held in Thessaloniki, Greece, April 1982

1985 Newton, Ian | Chancellor, R. D. |

Working bibliography of the Bald Eagle

1979 Lincer, Jeffrey L. | Clark, William S. | LeFranc, Maurice N. |

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