A portrait of Harriet Tubman, photographed by Benjamin F. Powelson for a carte-de-visite, 1868-1869. A new anthology from the National Museum of African American History and Culture includes portraits of prominent figures and vernacular images.

"Revelations - Opening Section of "Pilgrim of Sorrow" danced to "I Been 'Buked," 1961, printed ca. 1992 by Jack Mitchell from Double Exposure: Through the African American Lens. © Jack Mitchell/Courtesy Smithsonian Institution