JULY 1, 1906 TO JUNE 30, 1907

SAME PERIOD AS THAT OF STUDY OF ECONOMIC COST IN WARDS 8, 11, 21, 25,

26 AND 27]

[Illustration: PITTSBURGH.

Charities and the Commons: The Pittsburgh Survey, Part II. The Place and Its Social Forces · 第 126 / 139 题