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- [5] BOYS' CLUB MEMBERSHIP MORTALITY AND TURNOVER JOURNAL OF EDUCATIONAL SOCIOLOGY, 1932, 6 (01): : 59 - 63
- [8] PREDICTING BOYS' CLUB MEMBERSHIP BEHAVIOR SOCIOLOGY AND SOCIAL RESEARCH, 1936, 21 (01): : 26 - 39
- [9] The new industrial law for patents and petty patents ZEITSCHRIFT DES VEREINES DEUTSCHER INGENIEURE, 1932, 76 : 833 - 835