Hogner, Dorothy Childs.
Frogs and polliwogs / Dorothy Childs Hogner illustrated by Nils Hogner. - New york : Crowell, c1956. - vi, 68p. : ill. ; 21 cm.
Histology.
597.8 / HOF
Frogs and polliwogs / Dorothy Childs Hogner illustrated by Nils Hogner. - New york : Crowell, c1956. - vi, 68p. : ill. ; 21 cm.
Histology.
597.8 / HOF