1. Prolonged parental care in royal terns and other birds;Ashmole;Auk,1968
2. Life histories of North American petrels and pelicans and their allies;Bent;U.S. Natn. Mus. Bull,1922
3. A study of colonies of the kittiwake, Rissa tridactyla (L.);Coulson;U.S. Natn. Mus. Bull,1956
4. The effect of age on the breeding biology of the kittiwake, Rissa tridactyla;Coulson;U.S. Natn. Mus. Bull,1958
5. Food selection in finches with special reference to interspecific differences;Kear,1962