- "Peacocks of the Indian Desert" (1958)
- "African Antelope and Their Horns" (1959)
- "The Birds of the Congo Basin" (1959)
- "Mammals of the Congo Basin" (1960)
- "Birds of Liberia: With Observations on Their Behavior, Life History, and Habits" (1962)
- "Studies on a Small Mammal Community in an Indian Forest (Mysore)" (1966)
- "Ecology and Behavior of the White-backed Mousebird" (1968)
- "Contributions to the Ecology and Behavior of the Common Myna (Acridotheres tristis L.) in Northern India" (1969)
- "The Biology and Behavior of the Lesser Bandicoot Rat, Bandicota bengalensis" (1970)
- "Indian Wildlife: An Introduction to the Conservation and Management of Indian Wildlife Habitats and Species" (1975)
These works cover various aspects of ornithology, mammalogy, ecology, and conservation, primarily focused on the wildlife and habitats of India and Africa.