Collected Works of Abraham Lincoln. Volume 3.
Lincoln, Abraham, 1809-1865.
Inscription in the Autograph Album of Mary Delahay 
Dear Mary December 7, 1859
With pleasure I write my name in your Album. Ere long some younger man will be more happy to confer his name upon you.
Dont allow it, Mary, until fully assured that he is worthy of the happiness. Dec. 7- 1859 Your friend A. LINCOLN