Both a physical and online archive have been established. Selected items from the physical archive have been scanned in and made available to the public as the digital archive, the index to which follows below.
The physical archive of the Astronomical Society of Southern Africa is held at two separate establishments. All the original material such as handwritten minute books are preserved and managed by the special collection archive at the University of Cape Town (UCT). The rest of the material, such as publications of ASSA are held at the SAAO.