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www.rootsweb.ancestry.com/~negreele/wolbach/WolbachCemeterybyname.html (13 Sep 2009)
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www.rootsweb.ancestry.com/~negreele/wolbach/WolbachCemNOldSect.html
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www.findagrave.com/cgi-bin/fg.cgi?page=cr&CRid=553345 (6 Dec 2009)
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google.com/earth/ (2 Oct 2013)