When the world was young /

Bibliographic Details
Main Author:	Morrel, Martha McBride
Format:	Book
Language:	English
Published:	Boston : Houghton Mifflin company, 1941.
Subjects:	Paleontology. Geology. Prehistoric peoples. Evolution.

Description
Physical Description:	252 pages : illustrations ; 23 cm.
Bibliography:	Bibliography: pages [245]-247.