1. Observations and records of Australian sea-birds;Alexander;Emu,1922
2. Alexander , W. B. 1928 Birds of the Ocean
3. Birds observed and collected during the whaling expeditions of the ‘ Willem Barendsz ’ in the Antarctic, 1946-1947 and 1947-1948;Bierman;Ardea,1950
4. Chubb , C. 1916 The Birds of British Guiana
5. Falla , R. A. 1937 British-Australian-New Zealand Antarctic Research Expedition (1929-1931)