リチャード・クドウ
Kudo, Richard (1931). Handbook of Protozoology. Springfield, Ill.: Thomas
Kudo, Richard (1939,1946,1954,1966). Protozoology. Springfield, Ill.: Thomas. ISBN 0398010587
Kudo, Richard (1944). Manual of human protozoa, with special reference to their detection and identification. Springfield, Ill.: Thomas