The extensive holdings of the British Library for Development Studies have been built up since 1966 and constitute Europe's most comprehensive research collection on development issues. Subjects include economics, education, environment, gender, health, politics, rural development, social development, and trade. ... [According to the site editor's information]
The Sephis programme was established in 1994 and is funded by the Netherlands Ministry of Development Cooperation. Sephis aims at encouraging the formation of a South-South network directed towards comparative historical research on long-term processes of change. You have access to many full text documents (under "Publications", "Papers" and in the SEPHIS E-Magazine).
[according to site editor's information] ... [supplemented]