Figure these will be of some interest: * https://archive.org/details/AfricanP...ovietScientist * https://archive.org/details/Agrarian...LabourInAfrica There is also this but it's more about the third world in general: * https://archive.org/details/Socialis...pendentNations
Another: https://archive.org/details/SocialDe...SouthernAfrica
I've since made a whole thread: http://www.revleft.com/vb/showthread...ica-%28PDFs%29