- FondsAD1715 - South African Institute of Race Relations (SAIRR), Records
- Series5 - ADMINISTRATION OF AFRICANS
- Subseries5.19 - Pass Laws: correspondence, memoranda and statements
- File5.19.1 - The Pass Laws', typescript of article by Advocate E. Kahn, with corrections made by Dr. Hellmann
- PartThe Pass Laws', typescript of article by Advocate E. Kahn, with corrections made by Dr. Hellmann 1
- PartThe Pass Laws', typescript of article by Advocate E. Kahn, with corrections made by Dr. Hellmann 2