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WHAT SOCIAL CLASSES
OWE TO EACH OTHER
BY
WILLIAM GRAHAM SUMNER
PROFESSOR OF POLITICAL AND SOCIAL SCIENCE IN YALE COLLEGE
NEW YORK
HARPER & BROTHERS, FRANKLIN SQUARE
WHAT SOCIAL CLASSES
OWE TO EACH OTHER
BY
WILLIAM GRAHAM SUMNER
PROFESSOR OF POLITICAL AND SOCIAL SCIENCE IN YALE COLLEGE
NEW YORK
HARPER & BROTHERS, FRANKLIN SQUARE