The Century New World Series W. F. WILLOUGHBY, GENERAL EDITOR THE NEW WORLD OF SCIENCE Edited by Robert M. Yerkes POLITICAL SYSTEMS IN TRANSITION By Charles G. Fenwick THE WORKERS AT WAR By Frank Julian Warne Other titles will be published later |
The Century New World Series W. F. WILLOUGHBY, GENERAL EDITOR THE NEW WORLD OF SCIENCE Edited by Robert M. Yerkes POLITICAL SYSTEMS IN TRANSITION By Charles G. Fenwick THE WORKERS AT WAR By Frank Julian Warne Other titles will be published later |