%0 Journal Article
%T The Classification of Social Phenomena, I
%J American journal of sociology
%D 1911
%A Hayes, Edward C.
%V 17
%N 1
%P 90-118
%X <p>[Abstract unavailable]</p>
%G 
%I University of Chicago Press
%@ 0002-9602
%U http://dx.doi.org/10.1086/211947