1. Heckert, Della Snider, Compiler; Meiser, Joseph A and John A, Editors. Heckert Families in America. Elysburg, PA: Editor, 1993. Bk3375, page 12..
2. Find a Grave Memorial, Daniel Schaffer - http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=39931652.
3. Heckert, Della Snider, Compiler; Meiser, Joseph A and John A, Editors. Heckert Families in America. Elysburg, PA: Editor, 1993. Bk3375, page 12..
4. Find a Grave Memorial, Daniel Schaffer - http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=39931652.
5. Find a Grave Memorial, Daniel Schaffer - http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=39931652.
6. Heckert, Della Snider, Compiler; Meiser, Joseph A and John A, Editors. Heckert Families in America. Elysburg, PA: Editor, 1993. Bk3375, page 12..
7. Find a Grave Memorial, Mary Heckert Schaffer - http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=39931690.
8. Find a Grave Memorial, Mary Heckert Schaffer - http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=39931690.
9. Heckert, Della Snider, Compiler; Meiser, Joseph A and John A, Editors. Heckert Families in America. Elysburg, PA: Editor, 1993. Bk3375, page 12..
10. Find a Grave Memorial, Mary Heckert Schaffer - http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=39931690.
11. Heckert, Della Snider, Compiler; Meiser, Joseph A and John A, Editors. Heckert Families in America. Elysburg, PA: Editor, 1993. Bk3375, page 12..
12. Find a Grave Memorial, Mary Heckert Schaffer - http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=39931690.
13. Find a Grave Memorial, Mary Heckert Schaffer - http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=39931690.
14. Heckert, Della Snider, Compiler; Meiser, Joseph A and John A, Editors. Heckert Families in America. Elysburg, PA: Editor, 1993. Bk3375, page 12..
15. Find a Grave Memorial, Mary Heckert Schaffer - http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=39931690.
16. Find a Grave Memorial, Mary Heckert Schaffer - http://www.findagrave.com/cgi-bin/fg.cgi?page=gr&GRid=39931690.
17. Marjorie Van Couwenberghe [ID0381] and Wilma Lucas [ID0379], The Haas Family: Including Fischer, Hain, Heckert & Whetstone families c1630 to 1983 (December 1983). Bk3396, Doc3185.pdf, Pg 12.
18. Heckert, Della Snider, Compiler; Meiser, Joseph A and John A, Editors. Heckert Families in America. Elysburg, PA: Editor, 1993. Bk3375, page 12..