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- [42] SYMPOSIUM - CHILD LABOR ON THE STAGE I.- CHILD LABOR ON THE STAGE ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1911, 38 : 60 - 65
- [43] SYMPOSIUM - CHILD LABOR ON THE STAGE III. - CHILD LABOR ON THE STAGE ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1911, 38 : 74 - 76
- [47] Child Labor in Agriculture ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1944, 236 : 92 - 100
- [49] CHILD LABOR IN BELGIUM ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1902, 20 (01): : 203 - 220
- [50] Child Labor and the Constitution ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1924, 114 : 159 - 160