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]
The French Institut national de l'audiovisuel offers videos and audios (also historical ones) about decolonisation. The videos do not only show French reports and news of that time, but also English ones. [editors ilissAfrica]