K
- Kellenberger portrait of Lincoln. (1)
- Kellogg portrait of Lincoln. (2)
- Kellogg printers portrait of Lincoln. (1)
- Kelly & Sons portrait of Abraham Lincoln and his family. (1)
- The Kenosha Telegraph, [newspaper]. May 24, 1860. (1)
- King & Maas & Co. woodcut print of Abraham Lincoln ()
- Kingdom coming [by Henry C. Work]; arranged for the piano forte by A. Baumbach. (1)
- Kingdom coming Henry C. Work arranged for guitar by John Molter. (1)
- The knight of the ruefull [sic] countenance. [Volck caricature] and two mourning cards. (1)
- Kurtz & Allison portrait of Lincoln. (1)
- Kurz & Allison portrait of Abraham Lincoln (1)