More than 2,500 hours of White House recordings by six American presidents between 1940 and 1973 are available on this website. Presidents include Franklin Roosevelt (eight hours), Harry Truman (10 hours), Dwight Eisenhower (four and a half hours), John Kennedy (193 hours), Lyndon Johnson (550 hours), and Richard Nixon (2,019 hours). A substantial introduction to each set of recordings is provided and edited transcriptions of the Kennedy tapes are available. "From the Headlines" relates current events to the recordings. Eight exhibits with short scholarly essays feature such topics as the Civil Rights Movement, the Vietnam War, Johnson's "War on Poverty," and the Space Race. Additionally, the site presents 16 preselected multimedia clips that include recordings of Kennedy discussing withdrawal from Vietnam, Johnson talking to McNamara about leaks, Johnson discussing women in politics, and Nixon discussing Mark Felt during the Watergate cover-up. The site provides links to more than 40 related articles and links to related presidential libraries, document collections, websites, and articles.

Audio materials on this website were designed to capture "significant political and historical events and personalities of the 20th century."

Materials include 107 items, including speeches, addresses, and private telephone conversations from 19 speakers. Most material comes from three U.S. presidents—Richard M. Nixon (34 items); Lyndon Baines Johnson (30 items); and John F. Kennedy (19 items).

Additional material highlights international figures such as Secretary of State George Marshall; British Prime Minister Winston Churchill; civil rights leaders Martin Luther King, Jr., John Lewis, and A. Philip Randolph; Supreme Court Justices William O. Douglas, Arthur J. Goldberg, and Oliver Wendell Holmes, Jr.; and Soviet Union Premier Nikita S. Khrushchev. This website provides an opportunity to experience the persuasive speaking powers of 20th-century world leaders.

Forty-four "full-life" interviews with American women journalists are available on this website. Interviewees include women who began their careers in the 1920s through the present. Print, radio, and television journalism all are represented.

Interviews address difficulties women have encountered entering the profession and how their presence has changed the field. They also discuss political life, famous people interviewed, such as Eleanor Roosevelt, and social, ethical, and technological changes of the 20th century.

A preface and an explanation of methodology introduce the site. Each interview is linked to a photograph and brief biographical sketch of the interviewee. Interviews range from one to 12 sessions and each session is about 20 pages long. Interviews are indexed but not searchable.

These more than 350 recently declassified documents from archives of former Warsaw Pact countries and the U.S. reveal previously hidden aspects of Cold War military strategy. The project offers documents and accompanying analyses in six categories: Warsaw Pact records; Warsaw Pact war plans; NATO records (U.S. and British); national perspectives (Bulgaria, Romania, Hungary, China, and Poland); crises (Berlin and Libya); and intelligence.

The website also provides 13 oral history interviews with former officials, including two Eisenhower administration officers involved with NATO planning and nuclear weapons policies. Documents reveal a 1964 Warsaw Pact war plan for using nuclear weapons in a preemptive strike against NATO forces and a 1965 Hungarian Army exercise detailing the targeted destruction of Western cities, including Vienna, Munich, Verona, and Vicenza. A 30-page survey article assesses the new history written since the release of recent documents.

This well-organized website offers more than 900 items related to Hull House—including newspaper, magazine, and journal articles, letters, memoirs, reports, maps, and photographs. Materials are embedded within a clear historical narrative that illuminates the life of Jane Addams in addition to the history and legacy of Chicago's Hull House.

Users can search the site or focus on any of the 100 topics arranged in 12 chapters that begin with settlement life in Chicago in the 1880s and end with the movement after Addams's death. Topics include the reform climate in Chicago; activism within the movement; the immigrant experience of race, citizenship, and community; education within the settlement house; and cultural and leisure activities at Hull House and in Chicago. The site provides a timeline, featuring a pictorial biography of Addams; a geographical section that includes maps of Chicago; and an image section, with 12 photograph sections and essays.

These 1,275 detailed historical maps depict cities in the state of Utah. D. A. Sanborn Company, a pioneer producer of insurance maps on a national scale, designed maps that depicted commercial, industrial, and residential sections of Utah cities. The collection of large-scale detailed maps dating from 1867 through 1969 is an ongoing project, and currently contains maps of 40 cities. Users may download compressed images to view and enhance the maps. Maps are arranged alphabetically by city and date, although the years available for each city are inconsistent.

The maps outline the site, size, shape, construction, and building materials of dwellings, commercial buildings, and factories. In addition, the maps detail building use, sidewalks, property boundaries, house and block numbers, and even the locations of hydrants and wells. The collection presents an opportunity to study Utah history, architectural history, and the development of cartography.

The cultural impact of L. Frank Baum's The Wonderful Wizard of Oz is the focus of this well-designed exhibit. Three galleries offer images and explanatory text.

"'To Please a Child': L. Frank Baum and the Land of Oz" examines various aspects of the book, including W.W. Denslow's artwork, Baum's original copyright application, and an early review of the book appearing in the October 1900 issue of The Literary Review. "To See the Wizard: Oz on Stage and Film" looks at two of the most famous productions of Baum's book, the 1902–1903 stage play that became one of Broadway's greatest successes and the classic 1939 MGM movie, including color posters and a full-page color advertisement placed in the September 1939 issue of Cosmopolitan "To Own the Wizard: Oz Artifacts" examines Oz-related novelties, including the Wizard of Oz Monopoly game by Hasbro, a Wizard of Oz stamp, and "The Royal Bank of Oz" rebate check from MGM.

This exceptional legal history site presents balanced treatments of over 50 prominent court trials. Trials include: Salem witchcraft (1692); Burr conspiracy (1807); Amistad (1839–1840); Dakota conflict (1862); Lincoln conspiracy (1865); Johnson impeachment (1868); and Susan B. Anthony (1873). 20th-century trials include: Bill Haywood (1907); Sacco and Vanzetti (1921); Scopes (1925); Scottsboro Boys (1931–1937); Rosenbergs (1951); Lenny Bruce (1964); "Mississippi Burning" (1967); Chicago Seven (1969–70); My Lai courts martial (1970); LAPD officers (1992); O. J. Simpson (1995); Clinton impeachment (1999); and Moussaoui's 9/11 trial (2006).

Each trial website includes a chronology, maps, and court documents, including transcripts of testimony, media coverage, depositions, and government documents. Most cases also contain images, links to related websites, and a bibliography. Biographies center on five "trial heroes," including trial lawyer Clarence Darrow. "Exploring Constitutional Law" offers 83 important constitutional topics for class discussion.

Interactive exhibitions and resources address the Holocaust and related subjects. The site is composed of five sections: education, research, history, remembrance, and conscience.

"Education" introduces the subject of the Holocaust and provides extensive bibliographies. "Research" contains a survivor registry and an international directory of activities relating to Holocaust-era assets. Searchable catalogs pertaining to the Museum's collections and library are easy to navigate to find artworks, artifacts, documents, photographs, films, videos, oral histories, and music. "History" includes the Holocaust Learning Center, with images, essays, and documents on 75 subjects, such as anti-Semitism, refugees, pogroms, extermination camps, and resistance. "Committee on Conscience" contains information on current genocidal practices in Sudan.