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"Social surveys Pennsylvania Pittsburgh." » "Social survey Pennsylvania Pittsburgh." (扩展搜索)
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  1. 1
    出版 1910
    New York, Charities Publication Committee, 1910-16 [c1909-14]
    6 v. illus. 24 cm.
    主题: ...Social surveys Pennsylvania Pittsburgh....
  2. 2
    [Pittsburgh, 1912]
    229 p. illus., fold. tables. 24 cm.
    主题: ...Social surveys Pennsylvania Pittsburgh....

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