Collins guide to the rare mammals of the world
1987
Burton, John A. |
Burton, Vivien G. |
Burton, John A.
The world of nature birds of the tropics
1973
Burton, John A. |
CITES guide to plants in trade
1994
Burton, John A. |
Mathew, Brian |
L'atlas des espèces menacées
1992
Burton, John A. |
Owls of the world
1973
Burton, John A. |
A field guide to the reptiles and amphibians of Britain and Europe
1978
Arnold, E. N. |
Burton, John A. |
CITES guide to plants in trade
1994
Burton, John A. |
Mathew, Brian |
With the help of photographs and general descriptions, this guide is intended to assist customs officers and others involved in the control of plant trade to identify a number of them, and to increase the awareness of the general public by drawing their attention to those species that are endangered.