@article{ref1,
title="Workplace safety during the Progressive era: fatal accidents in bituminous coal mining, 1912-1923",
journal="Explorations in economic history",
year="1986",
author="Fishback, Price V.",
volume="23",
number="3",
pages="269-298",
abstract="<p>[Abstract unavailable]</p><p>Language: en</p>",
language="en",
issn="0014-4983",
doi="",
url="http://dx.doi.org/"
}