Animals in circuses and zoos : Chiron's world? /
Kiley-Worthington, M.
Royal Society for the Prevention of Cruelty to Animals.
Basildon, Essex [England] : Little Eco-Farms Pub.,
1990.
"Including the independent scientific report commissioned by the RSPCA on animals in circuses"--Cover.
Includes bibliographical references (p. 235-238) and index.