Frank Untermyer: Letter to B Pogrund from Roosevelt University
Frank Untermyer: Letter to Robert Sobukwe from Roosevelt University
Letter from 3 Macartney House, London
Letter to B Pogrund from Kimberley
Letter to B Pogrund from Stillit Books Limited
Letter to Robert Sobukwe
Miliswa Sobukwe: Letter to Tata Benjie and Anne (Pogrund) (original) from St Agnes High School
Robert Sobukwe: Letter to B Pogrund and one transcript
Robert Sobukwe: Letter to B Pogrund from Kimberley closed with a copy of a 12 November 1970 letter, and two transcripts
Robert Sobukwe: Letter to Raymond Tucker