@article{ref1,
title="'You needn't be afraid here; you're in a civilized country': region, racial violence and law enforcement in early twentieth-century New Jersey, New York and Pennsylvania",
journal="Social history",
year="2010",
author="Campbell, Jacquelyn C.",
volume="35",
number="3",
pages="253-267",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="0307-1022",
doi="",
url="http://dx.doi.org/"
}