1. Flower birds and bird flowers in India;Ali;Jour. N. H. Soc. Bombay,1932
2. Pollination of orchids through pseudocopulation;Ames;Bot. Mus. Leafl. Harvard,1937
3. A contribution to the life-history of Macrozamia Reidlei;Baird;Jour. Roy. Soc. W.-Austr.,1938-39
4. The pollination of Parkia by bats and its attendant evolutionary problems;Baker;Evolution,1957
5. Malesia I. Genova. Beck v. Managetta, G. 1914. Die Pollennachahmung in den Blüten der Orchideengattung Eria;Beccari;Sitz. Ber. K. Akad. Wiss. Wien, M.-N. Kl.,1877