EVB2932258: Five racing cars round the track bend in a cloud of dust at the Rockville, MD fair in 1923 / Bridgeman Images

EVB2932262: John Burroughs (1837-1921) wrote on nature subjects and inspired the early conservation movement. 1901 Portrait / Bridgeman Images

EVB2932263: Navy Men Needed Now, 1917 (poster) / Bridgeman Images

EVB2932266: Wrecked car on Washington, D.C. street in 1922 / Bridgeman Images

EVB2932268: John Burroughs (1837-1921) on his 75th birthday, and fellow naturalist, John Muir (1837-1914) in 1912 photo / Bridgeman Images

EVB2932281: Four members of the White House News Photographers' Association, holding cameras in 1924 / Bridgeman Images

EVB2932282: Women of the National Women's Party meeting in 1922. The NWP lobbied unsuccessfully for an Equal Rights Amendment, which was introduced in Congress in 1923 / Bridgeman Images

EVB2932288: Samuel F. B. Morse (1791-1872), American painter and inventory, best known for his invention of the telegraph in 1835 and Morse code in 1838. 1845 Daguerreotype / Bridgeman Images

EVB2932289: General John "Black Jack" Pershing (1860-1948) standing among the graves of World War 1 dead at Arlington National Cemetery, May 1925 / Bridgeman Images

EVB2932297: John Greenleaf Whittier (1807-1892), American Quaker and abolitionist poet. 1877 portrait / Bridgeman Images

EVB2932306: Authors Kenneth Roberts (1885-1957)(left), and Booth Tarkington (1869-1946) (right) with Atwater Kent (1873–1949) (center), in Washington D.C., August 1925 / Bridgeman Images

EVB2932310: Mary Roberts Rinehart, (1876-1858), popular American novelist and playwright of mystery tales, whose career spanned over 40 years. Portrait from the 1920's / Bridgeman Images

EVB2932318: David Belasco, (1853-1931), American theatrical producer and playwright known for inventively realistic stage productions, seated in his office, ca, 1910 / Bridgeman Images

EVB2932321: Book cover illustration for Charles Dudley Warner's (1829-1900), 1889 novel, A Little Journey into the World. Cover art by Edward Penfield (1866-1925), Penfield, Edward (1866-1925) / Bridgeman Images

EVB2932324: Thomas Bailey Aldrich (1836-1907), poet and short story author in an 1896 portrait / Bridgeman Images

EVB2932332: The Dead Letter office of a Post Office in Washington, D.C. Undeliverable items were auctioned to the public / Bridgeman Images

EVB2933437: John Lewis talks with fellow "Freedom Rider" James Zwerg who was beaten in Montgomery, Alabama, after riding into town on a Greyhound bus / Bridgeman Images

EVB2933439: Thurgood Marshall with his wife, Cecilia, and their two children, Thurgood, Jr. and John, in their New York apartment in 1961 / Bridgeman Images

EVB2933444: African American men, women, and children, employed as cotton pickers in North Carolina, 1900 / Bridgeman Images

EVB2933453: Roy Wilkins (1901-1981), leader of the National Association for the Advancement of Colored People (NAACP) from 1955-1977, during the critical years of the civil rights movement. c. 1940s / Bridgeman Images

EVB2933461: Albert Schweitzer (1875-1965) received the 1952 Nobel Prize for his medical missionary work in Gabon, African. He was an influential humanitarian, thought his writing, appealing for a universal respect for all life. 1955 / Bridgeman Images

EVB2933463: Child laborer portrayed by Lewis Hine in 1909. The barefooted boy in a George cotton mill was so small he had to climb up on the spinning frame to mend the broken threads and put back the empty bobbins, Hine, Lewis Wickes (1874-1940) / Bridgeman Images

EVB2933465: Child laborer portrayed by Lewis Hine in 1908. Sadie Pfeifer worked in a cotton mill in South Carolina, Hine, Lewis Wickes (1874-1940) / Bridgeman Images

EVB2933493: World Heavyweight Champion boxer Jack Johnson (1878-1946) and his white wife, in Vancouver, B.C. in 1909. Johnson is returning from his victory over Tommy Burns in Sydney. Johnson is playfully posed as Napoleon / Bridgeman Images

EVB2933495: Joe Louis and Max Schmeling weigh in for 1936 match. Schmeling won the fight with a 12th round knockout. On left, is Schmeling's American manager, Joe Jacobs / Bridgeman Images

EVB2933500: Wilma Rudolph (1940-1994) at the finish line during 50 yard dash at track meet in Madison Square Garden in 1961 / Bridgeman Images

EVB2933502: Female wrestlers Penny Banner and LeeChona La Claire competing in the ring in the first legal women's wrestling match, Chicago, Illinois. 1955 / Bridgeman Images

EVB2933503: Beatrice A. Hicks (1919-1979), pioneering women engineer who developed advanced sensing systems used by NASA / Bridgeman Images

EVB2933504: The Deadwood stagecoach fully loaded with nine formally dressed men sitting in and on top of coach, c. 1885 / Bridgeman Images

EVB2933511: Matthew Henson (1866-1955), African American Arctic explorer, and President Eisenhower discuss the North Pole over a globe at the White House. Mrs. Robert L. Vann, publisher of the African American newspaper, Pittsburgh Courier observes. 1954 / Bridgeman Images

EVB2933518: Bedouin maiden performing traditional sword dance. Palestine, 1919 / Bridgeman Images

EVB2933525: An organ grinder provides music for a sidewalk dance of children in a large American city. 1894 / Bridgeman Images

EVB2933530: Shakers, separated by gender, performing a step dance in the meeting hall at New Lebanon, New York. c. 1830 / Bridgeman Images

EVB2933533: Caricature of stately dance performed at a British village assembly. 1776 / Bridgeman Images

EVB2933538: Music class of African American girls practicing songs for May Day-Health Day festivities. Flint River Farms, Georgia. 1939 / Bridgeman Images

EVB2933540: Sheet music cover showing an African American dancing in dilapidated room, with kettle in fireplace. Antebellum depictions stereotyped African Americans as singing, dancing, grinning innocents / Bridgeman Images