1. Spring weights of trans-Saharan migrants in hlorocco;Ash;Bull. Am. Mus. nat. Hist.,1969
2. B.O.U. expedition to Lake Chad, northern Nigeria, March-April 1967: preliminary report;Ash;Bull. Am. Mus. nat. Hist.,1967
3. The birds of the Belgian Congo. Vol. 3;Chapin;Bull. Am. Mus. nat. Hist.,1953
4. Fat-free weights of birds;Connell;Auk,1960
5. Lunar periodicity of aquatic insects in Lake Victoria;Corbet;Nature, Lond.,1958