These 8,000 items document the immigrant experience of Chinese who settled in California during the 19th and early 20th centuries. Materials include photographs, letters, diaries, speeches, business records, legal documents, pamphlets, sheet music, cartoons, and artwork.

Access is provided through nine galleries, each containing an introductory essay and 70 to 575 items. Four galleries present materials on San Francisco's Chinatown, including architectural space, business and politics, community life, and appeal to outsiders. Additional galleries deal with Chinese involvement in U.S. expansion westward; communities outside San Francisco; agricultural, fishing and related industries; the anti-Chinese movement and Chinese exclusion; and sentiments concerning the Chinese. Visitors may search by keyword, name, subject, title, group, and theme. The site will be useful for studying ethnic history, labor history, and the history of the West as well as Chinese-American history.

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.

James Allen has assembled a collection of chilling photographs of lynchings throughout America, primarily from the late 19th and early 20th centuries. Many were circulated as souvenir postcards. The site is a companion to Allen's book Without Sanctuary. The exhibit can be experienced through a flash movie with narrative comments by Allen or as a gallery of more than 80 photographs with brief captions. Most images also have links to more extensive descriptions of the circumstances behind each specific act of violence.

While the vast majority of lynching victims were African Americans, white victims are also depicted. Individually and as a group, these images are disturbing and difficult to fathom. They provide, however, an excellent resource for approaching the virulence and impact of racism in late 19th and 20th-century America.

These two collections illuminate life on the Great Plains from 1862 to 1912. The nearly 3,500 glass plate negatives depict everyday life in central Nebraska, with images of businesses, farms, people, churches, and fairs in four counties. Approximately 318 letters describe the sojourn of the Uriah Oblinger family through Indiana, Nebraska, Minnesota, Kansas, and Missouri as they traveled to establish a homestead. Letters discuss such topics as land, work, neighbors, crops, religious meetings, grasshoppers, financial troubles, and Nebraska's Easter Blizzard of 1873.

A 1,000-word essay describes the letter collection and the lives of the principal correspondents. Biographical notes are available for more than 120 of the people who corresponded with the Oblingers or who were mentioned in the letters.

More than 12,000 stereoscopic photographs depict life in small towns, villages, rural areas, and cities throughout New York, New Jersey, and Connecticut from 1850 to 1920 on this website. Materials include pictures of buildings, street scenes, natural landscapes, agriculture, industry, transportation, homes, businesses, local celebrations, natural disasters, and people.

Each grouping of photographs offers a short description of the contents as well as notes on the locations, medium, collection names, and digital identification information. The site also features an essay on the history of stereoscopic views and nine related website links. The site is searchable by keyword and can be browsed by subject and image name. These revealing illustrations are valuable for examining rural and urban development as well as everyday life.

A wealth of documents and analytical essays emphasize the social history of Plymouth Colony from 1620 to 1691. This website also offers a tribute to the scholarly work of the late James Deetz, professor of historical archaeology. Documents include 135 probates, 24 wills, and 14 texts containing laws and court cases on land division, master-servant relations, sexual misconduct, and disputes involving Native Americans.

The site also provides more than 90 biographical studies, research papers, and topical articles that analyze "life ways" of 395 individuals who lived in the colony and offer theoretical views on the colony's legal structure, gender roles, vernacular house forms, and domestic violence. There are 25 maps or plans, approximately 50 photographs, and excerpts from Deetz's books on the history and myths of Plymouth Colony and on Anglo-American gravestone styles.

Diaries documenting the westward treks of 45 men and four women during the period of the California Gold Rush and the westward migration of Mormonism are presented in this site. Although most of these travelers took either the California or Mormon trails, a few diaries provide accounts describing life on trails to Oregon and Montana.

The diaries are complemented by 82 photographs and illustrations in addition to 43 maps, including an interactive map displaying trails, cities, rivers, and landmarks. There are seven published guides, two essays on the Mormon and California trails, brief biographies of most of the diarists, and a list of suggested readings. This is an excellent collection of materials that documents 49 individual perspectives on a movement that encompassed an estimated 500,000 people.

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.

Embracing 12 digitized collections, five exhibits, and six student projects, this website contains a wealth of primary documents. Collections include two websites related to advertising—Emergence of Advertising in America, 1850–1920 and Ad*Access—in addition to a collection of health-related ads from 1911 to 1958 in Medicine and Madison Avenue.

George Percival Scriven: An American in Bohol, The Philippines, 1899–1901 presents a firsthand account by a U.S. officer of life during the occupation. Civil War Women offers correspondence and a diary relating to three American women of diverse backgrounds. African-American Women presents letters by three slaves and a memoir by the daughter of slaves. The Emma Spaulding Bryant Letters presents 10 revealing letters written in 1873 by Mrs. Bryant to her husband concerning medical and private matters.

Historic American Sheet Music includes more than 3,000 pieces published between 1850 and 1920. Documents from the Women's Liberation Movement offers more than 40 documents from 1969 to 1974. William Gedney Photographs and Writings provides close to 5,000 prints, work prints, and contact sheets from the 1950s to the 1980s. Urban Landscapes present more than 1,000 images depicting urban areas.

These 11 exhibits address the history of California and San Francisco. Topics include the Gold Rush of 1849; earthquakes of 1906 and 1989; the history of the city's fire department; construction of the Golden Gate and Bay Bridges; and the internment of Japanese Americans during World War II. These exhibits provide timelines and links to more than 200 primary documents and images, including newspaper articles, diary entries, oral histories, photographs, political cartoons, and engravings. Two exhibits are hyperlinked chronologies pertaining to San Francisco during World War II and the rock music scene in the city from 1965 to 1969.

Documents can be accessed according to subject, with more than 25 documents listed on the Chinese-American community, fairs and expositions, and labor issues. The site also contains more than 150 biographies of prominent San Franciscans.