@article{ref1,
title="The Illinois Child-Labor Law",
journal="American journal of sociology",
year="1898",
author="Kelley, Florence",
volume="3",
number="4",
pages="490-501",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0002-9602",
doi="10.1086/210726",
url="http://dx.doi.org/10.1086/210726"
}