Roberts, Tyson R. and Ferraris, Carl J., Jr. 1998. "Review of South Asian Sisorid Catfish Genera Gagata and Nangra, With Descriptions of a New Genus and Five New Species." Proceedings of the California Academy of Sciences, (14) 315–345.
Roberts, Tyson R. and Baird, Ian G. 1995. "Traditional fisheries and fish ecology on the Mekong River at Khone waterfalls in southern Laos." Natural History Bulletin of the Siam Society, 43, (2) 219–262.
Roberts, Tyson R. 1982. "Gobiocichla ethelwynnae new species, a goby-like cichlid fish from rapids in the Cross River, Cameroun." Proceedings van de Koninklijke Nederlandse Akademie van Wetenschappen Section C : Biological and Medical Sciences, (4) 575.