EVB2941657: Vietnam War. US Marine Corps flame thrower tank in action. c. 1966 / Bridgeman Images

EVB2941714: Vietnam War. US Marines bathe in the stream at the base of Hill 51. Hill 51 was the site of a combat base intended to secure Highway 534, in the Que Son Valley. May 27, 1967 / Bridgeman Images

EVB2941747: Vietnam War. US Soldier clears a jungle area with his flame thrower. May 22, 1970 / Bridgeman Images

EVB2941756: Vietnam War. While under heavy fire, US Marines are carry a wounded Marine to the evacuation helicopter near the Demilitarized Zone (DMZ) dividing North and South Vietnam. July 7, 1967 / Bridgeman Images

EVB2941239: Richard Nixon posing with his Cabinet, 1972-73 / Bridgeman Images

EVB2941242: Edgar J. Hoover was a guest in Richard Nixon's Key Biscayne home. L to R Charles Rebozo Hoover President Nixon Sec. of State William Rogers. Dec. 1971 / Bridgeman Images

EVB2941248: The 1960 Democratic nominees, Senators John Kennedy and Lyndon Johnson great the press together. Washington, DC, August 8, 1960 / Bridgeman Images

EVB2941308: Jack Benny performs for a Democratic Party find raiser at the Century Plaza Hotel, Los Angeles, California. June 23, 1967 / Bridgeman Images

EVB2941329: President Lyndon Johnson and Sen. Minority Leader Everett Dirksen meeting in the Oval Office. Sept. 11, 1968 / Bridgeman Images

EVB2941347: LBJ's Great Society programs. President Lyndon Johnson signing of the Higher Education Act of 1965 at Southwest Texas State College, where he attended college in the 1920s / Bridgeman Images

EVB2941374: Young women peeling potatoes in her Washington D.C. apartment kitchen. She has a modern glass cooking pot and uses a newspaper to collect the potato peels for the garbage. Dec. 1943 / Bridgeman Images

EVB2941383: Listening to the radio. A mother smiles at her daughter as they listen to the radio in their dugout home. It was one of the few radios in their rural neighborhood, and friends visited on winter nights to listen to music and news. Pie Town, New Mexico, Sept. 1940 / Bridgeman Images

EVB2941386: New Deal Utopian Community. Garment factory operators work at the Jersey Homesteads, a New Deal 'Subsistence Homesteads', designed to decentralize industry from congested cities and enable workers also practice subsistence agriculture. Nov. 1936 / Bridgeman Images

EVB2941398: Young boys at their desks in a rural Wisconsin school. Sept. 1939 / Bridgeman Images

EVB2941422: Future US President Lyndon Johnson as a child. c.1915 / Bridgeman Images

EVB2941425: Rebekah Baines Johnson (1881-1958) in 1917. She attended college and encouraged her son, the future US President Lyndon Baines Johnson, to be educated, ambitious, and idealistic, Unknown photographer, (20th century) / Bridgeman Images

EVB2941446: National leaders of the Anti-Communist Alliance, SEATO at Manila, Philippines. 1966 / Bridgeman Images

EVB2941184: US Resettlement Administration sign for the Withlacoochee Land Use Project. The Public Works Project reforested the area established recreation facilities fire control and telephone communications. Florida Jan 1937 / Bridgeman Images

EVB2941165: Mrs. Bill Stagg displays her 'state quilt' in front of her log home in Pie Town New Mexico. The quilt had embroidered panes of each of the 48 US States. Oct. 1940 / Bridgeman Images

EVB2941235: President Nixon meeting with President Bhutto of Pakistan. Sept. 18 1973 / Bridgeman Images

EVB2941207: Japanese Internment. Exclusion order posted at First and Front Streets in San Francisco directing removal of persons of Japanese ancestry. c. Feb-April 1942 / Bridgeman Images

EVB2941274: 1964 Presidential Election. Lyndon Johnson places his vote in the ballot box at Johnson City, Texas. Nov. 3, 1964 / Bridgeman Images

EVB2941237: President and Pat Nixon visit with the Pope at the Vatican. Sept. 29 1970 / Bridgeman Images

EVB2941240: President Nixon conversing with Republican minority leader Senator Dirksen center and Vice President Agnew at the Capitol. Jan. 1969 / Bridgeman Images

EVB2941307: President Lyndon Johnson dancing with Carol Channing. Channing wears her costume from an earlier White House performance of the popular Broadway musical, 'Hello Dolly'. Jan. 17, 1967 / Bridgeman Images

EVB2941249: Young Lyndon Johnson was the youngest among the Southern Congressmen who met with FDR to demand enactment of a farm program in 1937. / Bridgeman Images

EVB2941334: LBJ's Great Society programs. With less than six months until the end of the LBJ presidency, Harold 'Barefoot' Sanders, Legislative Counsel to the President, displays the 'Unfinished Agenda' at a Cabinet Meeting. July 31, 1968 / Bridgeman Images

EVB2941367: Real estate office in Oakland, California, advertises homes selling for less than ,000. Dec. 1940 / Bridgeman Images

EVB2941382: Elderly woman at her spinning wheel in the Ozark Mountains of Arkansas. August 1935 / Bridgeman Images

EVB2941303: Richard Nixon and Spiro Agnew visit the LBJ Ranch on Aug. 19, 1968 / Bridgeman Images

EVB2941574: President Lyndon Johnson, Lady Bird, and their dog Yuki in front of their House on the LBJ Ranch. May 15, 1968 / Bridgeman Images

EVB2941509: South Vietnamese Generals who led the 1963 Coup against President Ngo Dinh Diem. From left: Generals Duong Van Minh, Le Van Kim, and unidentified officer, and General Tran Van Don / Bridgeman Images

EVB2941518: A White House staffer types President Lyndon Johnson's address for a 1960s teleprompter. The text is from a televised address concerning civil unrest in American cities. July 27, 1967 / Bridgeman Images

EVB2941554: President Johnson's family celebrating Christmas Eve, 1968 / Bridgeman Images

EVB2941572: President Lyndon Johnson playing golf at Ramey Air Force Base, Puerto Rico. March 3, 1968 / Bridgeman Images

EVB2941733: Vietnam War. An unmarked US Air Force helicopter landing in Southeast Asian jungle during operation 'Pony Express.' Pony Express provided covert transport for indigenous soldiers operating across the Laotian and North Vietnamese borders during the Vietnam War. June 1968 / Bridgeman Images