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1Published 1912Subjects: “...Sociology Congresses....”
Conference Proceeding Book -
2Published 1913Subjects: “...Sociology Congresses....”
Conference Proceeding Book -
3Published 1918Subjects: “...Sociology Congresses....”
Conference Proceeding Book -
4Published 1919Subjects: “...Sociology Congresses....”
Conference Proceeding Book