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- [23] 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
- [24] 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
- [28] CHILD LABOR IN BELGIUM ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1902, 20 (01): : 203 - 220
- [29] Child Labor and the Constitution ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1924, 114 : 159 - 160
- [30] CHILD LABOR IN CANNERIES ANNALS OF THE AMERICAN ACADEMY OF POLITICAL AND SOCIAL SCIENCE, 1910, 35 : 152 - 154