1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
2Social Security Death Index, SS#: 169-10-7124, ancestry.com.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
21920 US Census, PA, Allegheny Co., N. Versailles, ED 291, pg 7 B, fam 113-126, lines 82-93.
31910 US Census, PA, Allegheny Co., Swissvale, ED 243, pg 7 B, fam 134-148, lines 83-90.
4Social Security Death Index, SS#: 185-30-0329, ancestry.com.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
21930 US Census, PA, Allegheny Co., E. Pittsburgh, ED 582, pg 8A, fam 93-151, lines 1-11.
31920 US Census, PA, Allegheny Co., N. Versailles, ED 291, pg 7 B, fam 113-126, lines 82-93.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
21930 US Census, PA, Allegheny Co., E. Pittsburgh, ED 582, pg 8A, fam 93-151, lines 1-11.
31920 US Census, PA, Allegheny Co., N. Versailles, ED 291, pg 7 B, fam 113-126, lines 82-93.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
21930 US Census, PA, Allegheny Co., E. Pittsburgh, ED 582, pg 8A, fam 93-151, lines 1-11.
3Social Security Death Index, SS#: 189-14-0548, ancestry.com.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
2Social Security Death Index, SS#: 268-44-1163, ancestry.com.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
2Social Security Death Index, SS#: 284-40-0371, ancestry.com.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
1Social Security Death Index, SS#: 166-10-5770, ancestry.com.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.
21920 US Census, PA, Allegheny Co.,, N. Braddock, ED 38, pg 14A, fam 224-236, lines 5-14.
31930 US Census, PA, Allegheny Co., Braddock, ED 524, pg 11B, lines 53-60, fam 229, roll 1960, image 978.0.
1Hartley, Betty, Descendants of Hans Burkhart, http://freepages.history.rootsweb.com/~harringtonfamilies/Burkhart6.htm.