Truants, [195]
Tuberculosis, [42], [80], [127], [129], [182], [202]
Turn-table, [44], [45], [142], [143]
Tutors and governesses, [186], [187]
Underfeeding of proletarian children, [178], [179]
Understanding the punishable character of an offence, the capacity for, [221], [228]
Unified school for all classes, [216]
Unified system of laws for child-protection, [63], [64]
United States of America, [53], [61], [89], [108], [172], [173], [196], [197], [201], [203], [208], [209], [215], [222], [223], [231], [232], [233], [235], [237], [238], [240], [246], [247], [265]