Kingfishers, Bee-eaters & Rollers: A Handbook
Fry, C. Hilary and Kathie
Fry, C. Hilary
Edge of The Jungle
A Revision of the Classification of the Kingfishers
MILLER, W. DeW.
The Birds of British Somaliland and the Gulf of Aden: Vol III
Archer, Sir Geoffrey and Eva M. Godman
Illustrations by Archibald Thorburn and Henrik Gronvold
Belted Kingfisher: Birds of North America species account
Michael J. Hamas.
Green Kingfisher: Birds of North America species account
The Hornbills: Bucerotiformes (Oxford Bird Families of the World)
Illustrations by Karalus, Karl E.
A Comparative Study of Todies
Kepler, Angela Kay
The Ecology and Conservation of Asian Hornbills: Farmers of the Forest
KINNAIRD, Margaret F.; O'BRIEN Timothy G.
Illustrations by KINGDON, Jonathan