As a reflection of its civil law heritage, doctrine/legal scholarship is accepted in the courtroom as a persuasive source.
South African monographs have shelf marks beginning S. Africa 510. The current collection are shelved on Level 1. Superseded editions are indicated by (sec coll) after the shelf mark. They are also on open shelves for you to consult, but on a different floor, the Ground Floor. Members of staff will be happy to direct you to the right place(s) - please ask!
The LawBod shelves surveys of law (works looking at how a legal problem/legal topic is dealt with by various jurisdictions/legal systems) and comparative studies in the area with the shelfmark General. This is on Level 2, the entrance level to the Library.
Print copies of South African Law Reform Commission documents are at S. Africa 510 L415.3a-3c