POLITICAL ECONOMY

BY

ARTHUR LATHAM PERRY, LL.D.

ORRIN SAGE PROFESSOR OF HISTORY AND POLITICAL ECONOMY IN
WILLIAMS COLLEGE

Quid pro quo. Sibi totique

EIGHTEENTH EDITION

NEW YORK

CHARLES SCRIBNER'S SONS

743 AND 745 BROADWAY

f.

ΤΟ

THESE FEW AMONG MANY,

MY BELOVED AND HONORED CO-WORKERS IN A FIELD