This collection consists of correspondence and memoranda to and from the South African Institute of Race Relations. The principal correspondents are: Quintin Whyte and F.J. Van Wyk, while others include M. Horrell, W.B. Ngakane and D. Rheinallt Jones.

Subjects covered are the social and economic conditions of Black South Africans, with particular reference to education, land, farm labour, labour relations, housing, township conditions, health, welfare, liquor, discriminatory legislation and penal reform.