Lincoln Family — Abraham Lincoln with Mary Lincoln and their sons, Robert and Thomas ("Tad", erroneously recorded as Thaddeus)
Photo Credit: By Currier and Ives - Public Domain, https://commons.wikimedia.org/w/index.php?curid=3723962

Mary Lincoln, 1860–65 —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=9708007

Former Illinois House of Representatives chamber — site of Lincoln's House Divided Speech
Photo Credit: By Jaknelaps - Own work, CC BY-SA 3.0, https://commons.wikimedia.org/w/index.php?curid=21662452

U.S. Postage, 1958 issue, commemorating the Lincoln and Douglas debates —
Photo Credit: By U.S. Government, Post Office Department - Public Domain, https://commons.wikimedia.org/w/index.php?curid=9472867

Stephen A. Douglas — photo by Vannerson, 1859
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=45000944

Jimmy, Rose, Amy Carter 1977 — The First Family: Rosalynn, Jimmy and Amy on the South Lawn of the White House, July 24, 1977
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=2778123

Rosalynn Carter, 1977 —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=9544120

Nixon nominates Ford as VP — Gerald and Betty Ford with the President and First Lady Pat Nixon after President Nixon nominated Ford to be vice president, October 13, 1973
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=4428860

Betty and Gerald Ford on their wedding day, 1948 —
Photo Credit: Public Domain, https://commons.wikimedia.org/w/index.php?curid=20983732

Betty Ford —
Photo Credit: By David Hume Kennerly - Public Domain, https://commons.wikimedia.org/w/index.php?curid=824961

First published issue of New-York Daily Times — September 18, 1851
Photo Credit: By The New York Times - Public Domain, https://commons.wikimedia.org/w/index.php?curid=29474845