Importation of birds into the United States
Nilsson, Greta
Importation of birds into the United States - Washington Animal Welfare Institute 1985 - 1989 - 3 vol.
Vol. 1: 1985, with discussion of recent developments and research in the Cage Bird Trade Vol. 2: 1986 - 1988 Vol. 3: 1989
Aves
Comercio de especies silvestres
CITES
Importation of birds into the United States - Washington Animal Welfare Institute 1985 - 1989 - 3 vol.
Vol. 1: 1985, with discussion of recent developments and research in the Cage Bird Trade Vol. 2: 1986 - 1988 Vol. 3: 1989
Aves
Comercio de especies silvestres
CITES