Demography and degeneration eugenics and the declining birth rate in twentieth-century Britain
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| 格式: | 图书 | 
| 语言: | English | 
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        Chapel Hill, N.C.
          University of North Carolina Press
    
        c1990.
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| 格式: | 图书 | 
| 语言: | English | 
| 出版: | 
        Chapel Hill, N.C.
          University of North Carolina Press
    
        c1990.
     | 
| 主题: |