Edited by WILLIAM F. WILLOUGHBY
Director of
the Institute for Government Research
A new and most important series defining and applying the
principles of such vital subjects as Labor Legislation, the Ad-
ministration of Justice, Public Service Regulation, Statis-
tics, American Diplomacy, and other themes of immediate
concern to every intelligent student and citizen. These books,
which are being written by leading authorities, are prepared
to meet the increasing needs of colleges, and they will also
meet requirements, not now supplied, of readers interested
in the most immediate subjects of our times.
PRINCIPLES OF LABOR LEGISLATION. By JOHN R.
COMMONS, Professor of Folitical Economy, University of
Wisconsin, and JOHN B. ANDREWS, Secretary of the Ameri-
can Association for Labor Legislation.
PRINCIPLES OF CONSTITUTIONAL GOVERNMENT.
By FRANK J. GOODNOW, President of the Johns Hopkins
University.
PRINCIPLES OF AMERICAN DIPLOMACY. By JOHN
BAASETT MOORE, Professor of International Law and
Diplomacy at Columbia University. Formerly Counselor
for the Department of State, Assistant Secretary of State,
etc., member of the Permanent Court at the Hague.
Enlarged and revised from Prof. Moore's "American Di-
plomacy."
HARPER & BROTHERS, NEW YORK
ESTABLISHED 1817
THE PRINCIPLES OF AMERICAN DIPLOMACY
Copyright, 1905, 1918, by Harper & Brothers
Printed in the United States of America
Published January, 1918