Animal Traction Network for Eastern and Southern Africa
It has fascinating articles (all available online as pdf files!), such as:
-- Regional and world trends in donkey populations,
Paul Starkey and Malcolm Starkey
-- Gender issues in donkey use in rural Ethiopia,
Kathy Marshall and Zahra Ali
-- Traditional sayings about donkeys in Ethiopia,
Zelealam Bekele
-- Donkey traction in Tanzania: some critical issues,
Hussein Sosovele (this one is a gripping read)
-- Social consequences of introducing donkeys into Zambia,
Rhoda Motya