Puerto Rican parrot, Amazona vittata. Population viability analysis and recommendations 1989 Flesness, Nathan R. | Lacy, R. C. | Seal, Ulysses S. |
Documentation, conventions/soft law concerning species, ecosystems and the conservation of biological diversity = concernant la conservation des espèces, des écosystèmes et de la diversité biologique 1990
Comment on the proposed listing of the African elephant on the threatened species list and possible subsequent regulation of ivory 1978 Enright, Kenneth N. |
Supplementary list of threatened and endemic plants for those countries of Europe not covered by the first draft (August 1975) 1975
Endangered mammals and birds of the world : summary statements of status and action treatment : based on IUCN Supplementary Papers 13 and 14 1970
List of rare, threatened and endemic plants for the countries of Europe 1976 Lucas, Gren | Walters, S. M. |