The Plagiostomia (Sharks, Skates and Rays). Memoirs of the Museum of Comparative Zoology at Harvard College, 36, 1–528
Fishes from the sea-bottom. Scientific Results of the Michael Sars North Atlantic Deep–Sea Expedition 1910, 4(1), 1–148
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.
Fishes collected by Dr. Th. Mortensen off the coast of South Africa in 1929, with an account of the genus Crurirajia Bigelow & Scroeder, 1954 in South Africa. Videnskabelige Meddelelser fra Dansk Naturhistorisk Forening, Kjøbenhavn, 126, 283–300