Knowing the Presidents: Abraham Lincoln America's Presidents: National Portrait Gallery

Smithsonian NPG exhibition: the nation's only complete collection of presidential portraits outside the White House.

List of photographs of Abraham Lincoln - Wikipedia

Abraham Lincoln: Biography, U.S. President, Abolitionist

Abraham Lincoln, American Experience, Official Site

Knowing the Presidents: Abraham Lincoln America's Presidents: National Portrait Gallery

Smithsonian's National Portrait Gallery, Washington, D.C., United States — Google Arts & Culture

The US Civil War. Abraham Lincoln, the 'White Men's President'. Struggles for Liberty. National Library of Scotland

Abraham Lincoln (1809–1865)

Abraham Lincoln Presidential History Itinerary in Washington, DC

Team of Rivals: The Political by Goodwin, Doris Kearns

National Portrait Gallery receives Lincoln portrait from Madison NJ