This exhibition "indicates the depth and breadth of Franklin's public, professional, and scientific accomplishments," offering documents, letters, books, broadsides, and cartoons. Eight sections exploring periods or aspects of Franklin's life are focused around items from the Library's collections with accompanying explanatory text.

Topics include Franklin's role in events prior to the Revolution, his role in the Continental Congress, his role as a diplomat in Paris and in negotiating the Treaty of Paris, his role in the early republic as President of Pennsylvania and delegate to the Constitutional Convention, his life as a scientist and inventor, and his activities as a printer and writer. There are more than 60 documents and other items available in the exhibition. There is also a Benjamin Franklin chronology from 1706 to 1790, a bibliography with 11 books and seven books for young readers, and four links to related websites. A good starting point for researching Franklin's life or the political and diplomatic history of colonial America or the early United States.

This site offers an extensive archive of material on the history and culture of Pittsburgh, including full-text published works, maps, images, and census records, as well as archival finding aids. The full-text collection, covering the colonial period through World War I, presents more than 500 books on Pittsburgh and Pennsylvania history, including manuscripts, reports, dictionaries, diaries, and periodicals. The collection can be browsed by author, genre, date published, or categories such as culture and society or people and personalities. It can also be searched by keyword or bibliographic information including author, title, and subject. The map collection offers visitors the ability to search and view 1,122 plates from 26 volumes of Hopkins Real Estate maps (1872 ñ 1939) and the 1914 Warrantee Atlas of Allegheny County. The more than 8,000 images can be browse by time period (1860s to 1980s), location, collection, or through four thematic presentations focused on work, play, home life, and personalities.

Also available are searchable U.S. census schedules for Pittsburgh from 1850 to 1880 and for Allegheny City from 1850 to 1870 and archival finding aids to 700 archival collections. Additionally, there is a timeline of Pittsburgh history from 1750 to 2000 and two lesson plans for teachers based on the material in the site's collections, one on using census data and one on using the map collections. A useful resource with a variety of primary source material for anyone researching the social or cultural history of Pittsburgh.

This archive brings together more than 1,300 images on a wide array of topics related to Chicago, its people, and its culture. The material in the collection spans both the 19th and 20th centuries and includes photographs, advertisements, broadsides, maps, letters, newspaper articles, illustrations, and engravings. The photographs include aerial views of the Chicago cityscape, Chicago places, Chicago industries and workers performing their trades, historic photographs, Chicago events, and photographs of Chicago's people. The more than 100 maps can be browsed separately. Each item is cross-referenced to related items in the collection and many of the images are accompanied by explanatory text. The images can be enlarged and there are features for rotation and magnification.

Additionally, the site offers interpretive essays on the Plan of Chicago of 1909, "one of the most noted documents in the history of city planning" and the importance of water in Chicago's history. Other special features are a biographical dictionary, a dictionary of leading Chicago businesses from 1820-2000, and a presentation on how Chicagoans remember their history with images and brief interpretations. In addition, the entire contents of Encyclopedia of Chicago can be searched. A useful resource on the history of Chicago or urban history.

This website allows visitors to explore the history of Wisconsin through essays, primary source documents, lesson plans, and maps. The main feature is 53 presentations grouped under 10 overall topics: early native peoples; early explorers, traders, and settlers; territory to statehood; immigration and settlement; Civil War era; mining, lumber, and agriculture; Progressive Era; 20th-century wars and conflicts; prosperity, depression, industrialization, and urbanization; and response to 20th-century change. Each topic offers four or more presentations with a short introductory essay; primary sources available on the site; primary sources available elsewhere; and related links.

Documents available on the site include more than 140 books, tracts, pamphlets, or papers; more than 100 images; more than 260 articles; and more than 35 manuscripts. The site also offers 95 reference maps. There are more than 45 elementary and 36 secondary lesson plans searchable by keyword, grade level, and/or topic. The advanced search allows visitors to search by fields such as agriculture, intellectual life, and politics; or by keyword, education level, topic, presentation, or type of document. Additionally, there is a tutorial on using primary documents. This website is a good starting point for teaching or researching Wisconsin or the mid-Western region.

This site allows the visitor to search and view Minnesota's original public land survey plats created by the U.S. Surveyor General's Office during the years 1848 to 1907 and the later General Land Office and Bureau of Land Management maps of the state. The collection includes more than 3,500 original land survey maps; an 1873 map book of Hennepin County; late-19th-century plat books of Dakota, Hennepin, Ramsey, and Winona counties; and an 1871 illustrated historical atlas of Minnesota. Browse all the maps and plats or search the collection by county, township/range, or keyword. The advanced search feature allows the researcher to search the collection by title, subject, description, creator, publisher, date, source, or coverage. A useful resource for those researching the social, economic, environmental, or political history of Minnesota and its counties and towns.

In 2006, Madison, WI, celebrated the 150th anniversary of its incorporation as a city. To mark the occasion, this website features 6,952 images, several articles and documents, maps and information on Madison's buildings, and links to virtual exhibits, entreating users to investigate Madison's past. This diverse collection of materials highlights both the experiences of the American Indian groups that had lived in the Madison area for many thousands of years, as well as those of the Yankee, English, Irish, German and Scandinavian settlers who began to arrive in 1837.

Visitors can view a map of American Indian village and mound sites, built for burial and ceremonial purposes, which are still visible around the city today. Also available are the recollections of George W. Stoner, one of the first settlers to arrive in Madison, through which one can learn about the construction of the city's first buildings and businesses, its first election, and its first suicide. Moving into the 20th century, visitors can also learn of the Federal Government's attempts to enforce Prohibition in Madison, which one official described as "queen of the bootleggers." This website is useful for those interested not only in Wisconsin history, but also in the history of urbanization in the United States more generally.

The University of North Carolina at Chapel Hill opened its doors to students in 1789, becoming the first public university in the U.S. Part of the larger Documenting the American South website, this collection illuminates the first century of UNC's operation. Close to 500 primary source documents—letters, speeches, architectural drawings, account ledgers, meeting minutes, sermons, and General Assembly acts—are available, including previously unpublished materials. Topics include: Buildings, Campus, Creation and Governance, Curriculum, Faculty, Student Life, Town and Gown, The University During the Civil War and Reconstruction, and The University in the Life of the State. These broad topics, in turn, shed light on smaller dramas within the history of the university, such as the 1856 dismissal of a professor for expressing anti-slavery views to students. Contextual essays and an extensive timeline accompany these materials, rendering them accessible to specialists and generalists alike interested in the histories of the Civil War, North Carolina, and higher education in the United States.

A collection of textual and audio documents concerning "arguably the most important Supreme Court case ever on freedom of the press." The case revolved around the 1971 decision to lift prior restraint orders instigated by the Nixon Administration to prohibit publication of the government's secret historical collection of documents labeled "United States-Vietnam Relations 1945-1967." These quickly became known to the world as the "Pentagon Papers." Includes 10 recently released audio files and transcripts of Nixon Administration telephone conversations and meetings; Supreme Court briefs (including some material originally kept secret) and opinions; audio files and transcripts of oral arguments before the Court; appellate court documents; and excerpts from memoirs by Richard Nixon, Henry Kissinger, and H. R. Haldeman. Also provides a 4,500-word commentary on the documents. Valuable for those studying American political and legal history and the Vietnam War.

The International Exhibition of Arts, Manufactures, and Products of the Soil and Mine, unofficially known as the Centennial Exhibition, was held in Philadelphia in 1876 and was attended by more than nine million people. This website presents 1,500 images, including photographs, lithographs, engravings, maps, scrapbooks, and albums, searchable by keyword or subject, on this event.

"Exhibition Facts" provides statistics, a summary of the fair's significance, photographs of buildings erected by foreign nations, and images of sheet music. A timeline traces the fair's lifespan from the 1871 Act of Congress that created its planning commission to the removal of exhibits in December 1876. A bibliography lists more than 130 related works and 17 websites. "Tours" features an interactive map of the fairgrounds. "Centennial Schoolhouse" offers activities, including excerpts from a 17-year-old boy's diary. This website provides revealing images of the event that introduced America "as a new industrial world power."

The papers of telephone inventor Alexander Graham Bell (1847–1922), more than 4,600 items, are presented on this website. Materials include family papers, general correspondence, laboratory notebooks from 1891 to 1893 and 1910, scientific notebooks, blueprints, journals, articles, lectures, and photographs.

Writings address a range of subjects, including the telephone, deaf education, experiments with aeronautics, and other inventions. There are more than 100 letters to and from Helen Keller, family correspondence, and material on life in Washington, DC and Nova Scotia, where Bell had a summer home and conducted experiments. Ten "collection highlights," including notebook pages, document his first success with the telephone, essays on Bell's career and on the telephone, an annotated timeline, a 19-title bibliography, and a list of related sites.