The initial material consisted of almost 1800 titles located in libraries in or near Nairobi, including those of Iain Douglas-Hamilton, the AfESG, the National Museums of Kenya, and the United Nations Environment Programme.
Additional material was collected from authors, research agencies, government offices and libraries in Southern and Eastern Africa, England, France, Belgium, Switzerland, the United States and Canada. To date, the best sources of material have been from the following university libraries:
Oxford and Cambridge, England;
Wayne State in Detroit, Michigan;
Davis Campus of the U of California;
McGill and Guelph, Canada; and
Witwatersrand, Onderstepoort and UNISA (Pretoria), South Africa,
and the libraries of the:
National Museums of Kenya, Nairobi;
National Museum of Natural History, Paris;
Royal Belgian Institute of Natural Science, Brussels;
Royal Museum of Central Africa, Tervuren; and
Transvaal Museum, Pretoria.
Since the initial data push, the AfESG and STE have continued to collect information through their work.