The Pittsburgh survey findings in six volumes
| 格式: | 图书 | 
|---|---|
| 语言: | English | 
| 出版: | 
        New York
          Charities Publication Committee
    
        1909-14.
     | 
| 丛编: | Russell Sage Foundation. [Publication]
             | 
| 主题: | 
| 格式: | 图书 | 
|---|---|
| 语言: | English | 
| 出版: | 
        New York
          Charities Publication Committee
    
        1909-14.
     | 
| 丛编: | Russell Sage Foundation. [Publication]
             | 
| 主题: |