OF THE

SOCIAL SCIENCES

BY

ELMER S. NELSON

Department of Economics
University of California, Southern Branch

CHARLES E. MARTIN
Head of the Department of Political Science
University of California, Southern Branch

WILLIAM H. GEORGE
Department of Political Science
University of California, Southern Branch

INTRODUCTION BY

E. S. BOGARDUS

Los Angeles

TIMES-MIRROR PRESS

1923

TO MHU

H83
N4

COPYRIGHT, 1923, BY
The TIMES-MIRROR Press

LOS ANGELES, CALIF.