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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:1383972
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politicalgraveyard.com/geo/TX/PL.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=22762&locTGroup=Cemeteries&direction=down (14 Apr 2008)
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www.linkpendium.com/genealogy/USA/TX/Polk/ (10 Dec 2009)
The definitive directory to Genealogy > USA > Texas > Polk County
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www.linkpendium.com/genealogy/USA/TX/Polk/cem/ (14 Apr 2008)
The definitive directory to Genealogy > USA > Texas > Polk County > Cemeteries
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www.epodunk.com/cgi-bin/genInfo.php?locIndex=22762 (22 Jan 2009)
Polk County, Texas TX, county profile, with sections on demographics, cemeteries, the economy, government, history and politics.
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www.findagrave.com/cgi-bin/fg.cgi?page=csr&CScnty=2706 (4 Sep 2009)
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www.usgwtombstones.org/texas/polk.html (9 Aug 2010)
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www.cemeteries-of-tx.com/Etx/Polk/ListPolk.html (18 Jul 2007)
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www.usgwarchives.net/tx/polk/polktoc.htm (22 Jan 2010)
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en.wikipedia.org/wiki/Polk_County,_Texas (13 Jul 2010)