Kishida, Eriko. Hippopotamus / Eriko Kishida ; illustrated by Chiyoko Nakatani ; translated by Masako Matsuno. - New Jersey : Prentice-Hall, c 1963. - 24 p. : ill. ; 18 cm. 300 300 Subjects--Topical Terms: Ungulates. Dewey Class. No.: 599.73 / K642h