Cowley, Paul D, Heemstra, Phillip C. J.L.B. Smith Institute of Ichthyology, Rhodes University, Grahamstown, South Africa; . Ichthyofaunal characteristics of a typical temporarily open/closed estuary on the southeast coast of South Africa.
Childs, Amber-Robyn, Cowley, Paul D, Næsje, T F, Booth, Anthony J, Potts, Warren M, Thorstad, Eva B, Økland, F. Estuarine use by spotted grunter Pomadasys commersonnii in a South African estuary, as determined by acoustic telemetry. 2010.
Moxham, Emily Jeanne, Cowley, Paul D, Bennett, Rhett H, von Brandis, Rainer G. Movement and predation: a catch-and-release study on the acoustic tracking of bonefish in the Indian Ocean. 2019.
Vorwerk, Paul D, Whitfield, Alan K, Cowley, Paul D, Paterson, Angus W. J.L.B. Smith Institute of Ichthyology, Rhodes University, Grahamstown, South Africa; . A survey of selected Eastern Cape estuaries with particular reference to the ichthyofauna.