LIFE Magazine - July 17, 1964

National Geographic Magazine, September 1970

Rainforest: First Facts (Junior Funfax)

Life Magazine, 12 September 1969

Life Magazine, September 19, 1938

Life Magazine August 29, 1960

On the Parrots of the Malayan Region, with Remarks on Their

National Geographic, October 1936 (Vol. LXX, No. 4)

National Geographic May 1982

LIFE Magazine - November 24, 1947