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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:1213661
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politicalgraveyard.com/geo/PA/BT.html#CEM (26 Mar 2009)
A database of political history and cemeteries, with brief biographical entries for 192,291 U.S. political figures, living and dead, from the 1700s to the present.
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www.epodunk.com/cgi-bin/localList.php?local=13670&locTGroup=Cemeteries&direction=down (24 Sep 2008)
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www.interment.net/us/pa/butler.htm (16 May 2010)
Cemetery records of Butler County, Pennsylvania
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www.linkpendium.com/genealogy/USA/PA/Butler/ (8 Oct 2011)
Butler County, Pennsylvania: Bibles, biographies, cemeteries, census, genealogy, newspapers, obituaries, vitals: births, marriages, deaths.
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www.epodunk.com/cgi-bin/genInfo.php?locIndex=13670 (16 Dec 2009)
Get all the local information you need on Butler County, Pennsylvania, PA - community history, demographics, local search and more at ePodunk
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www.findagrave.com/cgi-bin/fg.cgi?page=csr&CScnty=2250 (9 Sep 2009)
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www.usgwarchives.net/pa/butlerz.html (4 Feb 2010)
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en.wikipedia.org/wiki/Butler_County,_Pennsylvania (23 Jul 2010)