The Great Ape

Great Ape Makes Good Doc - Scientific American

Accusations fly over threat to rarest great ape

Great ape language - Wikipedia

World Atlas of Great Apes and their Conservation by Julian Caldecott, Lera Miles - Hardcover - University of California Press

Great Apes - Dian Fossey

Membership - Center for Great Apes

New great ape species identified in Indonesia

Ape, Definition & Facts

Great apes