Research and Development in East Africa; Seven Papers Presented at a Plenary Session of the East African Academy, Dar Es Salaam, Sept. 1965. Edited by D. F. Owen
Tropical Buterflies
Animal Ecology in Tropical Africa
Man in Tropical Africa
What is Ecology?
Man's Environmental Predicament
Grasslands of Africa
Camouflage and mimicry
What's in a Name
Towns and Gardens
Ecological Principles in Development Planning
Lessons from a Caterpillar Plague in London's Berkeley Square
Bird-Watching in Kent
GEOGRAPHICAL VARIATION AND POLYMORPHISM IN THE SCREECH OWL, OTUS ASIO, IN NORTH AMERICA..
البيئة و قضاياها
A Southward Movement of the Painted Lady Butterfly in Wyoming
What is ecology?
Что такое экология?
What is Ecology?
生態學是甚麼?