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geonames.usgs.gov/pls/gnispublic/f?p=gnispq:3:::NO::P3_FID:1779808
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www.linkpendium.com/genealogy/USA/PR/ALL/ (7 Dec 2009)
The definitive directory to Genealogy > USA > Puerto Rico > Statewide resources
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www.interment.net/us/pr/index.htm (16 May 2010)
Cemetery records of Puerto Rico
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www.rootsweb.ancestry.com/~prhgs/ (12 Aug 2006)
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www.gobierno.pr/gprportal/inicio (10 Aug 2010)
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en.wikipedia.org/wiki/Puerto_Rico (26 Aug 2010)
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www.rootsweb.ancestry.com/~prwgw/index.html (30 Dec 2012)
GenWeb site dedicated to Puerto Rican Genealogy. La Genealogia de Puerto Rico
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www.kindredtrails.com/puerto_rico.html (26 May 2011)