Columbia subject headings:
Harvard subject headings:
Endangered plants--Statistics--Periodicals.
Endangered species--Statistics--Periodicals.
Wild animal trade--Statistics--Periodicals.
Princeton subject headings:
Convention on International Trade in Endangered Species of Wild Fauna and Flora (1973)--Periodicals.
Endangered species--Periodicals.
Rare plants--Periodicals.
Wild animal trade--Statistics--Periodicals.