1. "Great Whites" .The World Book encyclopedia. letter G. c.1996
2. "Hammerheads"The New International Wildlife Encyclopedia. Volume 8. c. 1969
3. "Whale Sharks"The New International Wildlife Encyclopedia. Volume 19
c. 1980.
4. "Basking Sharks" The New International Wildlife Encyclopedia. Volume 2
c.1963
5. Eyewitness books (Shark Edition) Dorling Kindersley Limited, London. c.1992
6. Sharks, Whales and Dolphins
Eyewitness Anthologies,United States. c.1997
7. The Natural History of Sharks
J.B. Lippincott Company, Philadelphia. c.1970 & 1969