Wayne C. Temple, "Ruth Stanton Recalls the Lincolns", The Lincoln Herald Vol. 92, Iss. 3.
Allen C. Guelzo, Abraham Lincoln: Redeemer President.
Kenneth J. Winkle, The Young Eagle: The Rise of Abraham Lincoln.
Mariah Vance, Lincoln's Unknown Private Life: An Oral History by His Black Housekeeper Mariah Vance 1850-1860, Walter Oleksy & Lloyd Ostendorf, eds.
No whopper is too large for you, is it 4CJ, so long as it's anti-Lincoln? You claim, or at least imply, that Lincoln held indenture to Ruth Vance when nothing could be further from the truth. Indenture, if indentured she was, was held by someone else who hired Vance out to the Lincolns. Vance's claim that she was indentured is not supported by either the 1840 or 1850 census, as you claim, because she appears in neither. Nothing supports your claim that Lincoln was involved in her legal status, other than hiring her services from the Semples or Bradfords. Link
As for Mariah Vance, her book has been the subject of a number of scathing articles which have questioned it's authenticity. Link