Columbia subject headings:
Harvard subject headings:
Chelonia (Genus)--Periodicals.
Cheloniidae--Periodicals.
Testudinidae--Periodicals.
Turtles--Periodicals.
Princeton subject headings:
Chelonia (Genus)--Periodicals.
Cheloniidae--Periodicals.
Periodicals.
Testudinidae--Periodicals.
Turtles--Periodicals.