Nancy Hanks, of undistinguished families; a genealogical, biographical, and historical study of the ancestry of the mother of Abraham Lincoln

Author: Baber, Adin.
Published 1959

The lineage of Lincoln

Author: Barton, William E. 1861-1930.
Published 1929

Abraham Lincoln's ancestry, German or English? : M.D. Learned's investigatory history, with an appendix on Daniel Boone

Author: Learned, Marion Dexter, 1857-1917.
Published 1993