IN

HISTORICAL AND POLITICAL SCIENCE.

Under the Direction of the

Departments of History, Political Economy, and
Political Science

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v.37

COPYRIGHT 1919 BY
THE JOHNS HOPKINS PRESS

PRESS OF
THE NEW ERA PRINTING COMPANY
LANCASTER, PA.

CONTENTS

K

UNEMPLOYMENT AND AMERICAN TRADE UNIONS. By D. P.

Smelser

II. THE LABOR LAW OF MARYLAND. By Malcolm H. Lauch-

heimer

III. THE AMERICAN COLONIZATION SOCIETY, 1817-1840. By Early

Lee Fox

PAGE

155

.....

313

IV. THE OBLIGATION OF CONTRACTS CLAUSE OF THE UNITED

STATES CONSTITUTION. By Warren B. Hunting

....

545

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