University Herbarium, UC Berkeley: Indian Ocean Catalogue

Eyre, J., G.J. Broekhuysen, & M.I. Crichton

1938. The South African intertidal zone and its relation to ocean currents. VI. The East London district. Annals of the Natal Museum 9: 83–111, 2 figs., pls. 8–10.

Eyre, J., & T.A. Stephenson

1938. The South African intertidal zone and its relation to ocean currents. V. A sub-tropical Indian Ocean shore. Annals of the Natal Museum 9: 21–46, 3 figs., pls. 5–7.