Freedom of communication : papers and proceedings [of the] ninth annual meeting [of the] American Sociological Society, held at Princeton, New Jersey, December 28-31, 1914
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Freedom of communication : papers and proceedings [of the] ninth annual meeting [of the] American Sociological Society, held at Princeton, New Jersey, December 28-31, 1914
（Publications of the American Sociological Society, vol. 9）
Univ. of Chicago Press, c1915