The Trotskyist Groups in South Africa - A Retrospective View by Baruch Hirson (Encyclopedia of Trotskyism On-Line: Revolutionary History: Volume 4, No. 4, 1993, South Africa)
… was Mr Burlak we were never told his first name. The other main group, the Fourth International Organisation of South … was so unclear on this point that it obscured their main contention: namely, that it was the struggle of the … six months, but the club no longer prospered. There were lectures, but no activity: no leafleting, no open air …