Spry, J.F. (1968). The sea shells of Dar es Salaam: I. Gastropods. Revised and enlarged edition. The Tanzania Society: Dar es Salaam. 40 pp.
Related to:
Spry, J.F. (1964). The sea shells of Dar es Salaam: II. Pelecypoda (Bivalves). Reprinted from Tanganyika Notes and Records number 63, September, 1964. The Tanzania Society: Dar es Salaam. 41 pp., more
