@article{ref1,
title="Contributions to Social Philosophy. V. Sociology and Psychology",
journal="American journal of sociology",
year="1896",
author="Ward, Lester F.",
volume="1",
number="5",
pages="618-632",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-9602",
doi="10.1086/210558",
url="http://dx.doi.org/10.1086/210558"
}