Contributions to the biology of the Philippine archipelago and adjacent regions. The fishes of the groups Elasmocephalii, Holocephali, Isospondyli, and Ostariophysi obtained by the United States Fisheries Steamer "Albatross" in 1907 to 1910, chiefly in the Philippine islands and adjacent seas. Bulletin of the United States National Museum, 100, i–x, 1–879
The sea fishes of Southern Africa. Revised enlarged edition. Johannesburg: 1–564, Pls. 1–107.
The sea fishes of Southern Africa. Johannesburg Central News Agency Ltd., 573 p. 4th ed.
The batoid fishes of the east coast of Southern Africa. Part II: Manta, Eagle, Duckbill, Cownose, Butterfly and Sting Rays. Investigational Report Oceanographic Research Institute, 16, 1–56
Commercial Sea Fishes of India. Zoological Survey of India, Calcutta, 997 pp.
Taxonomy and Status of the Sharks and Rays of Sri Lanka. In The Fauna of Sri Lanka(2006): 294–301
Generic Assessment and Reallocation of Cenozoic Myliobatinae based on new information of tooth, tooth plate and caudal spine morphology of extant taxa. Palaeontos, 24, 1–66