Henry Barnard's American journal of education
| Главный автор: | |
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| Формат: |  | 
| Язык: | English | 
| Опубликовано: | Baltimore
          The Johns Hopkins press
    
        1945. | 
| Серии: | Half-title:  The Johns Hopkins university studies in historical and political science... | 
| Предметы: |