An extensive site covering the history of NASA's aeronautical and space programs. Materials include photographs, flight communications transcripts, essays, timelines and chronologies, policy documents, biographies, and much more. "Aeronautics" includes flight research centers, flight research projects (such as the lifting body program and the X-1 that first broke the sound barrier), and the X-15 project. "Biographies" includes all present and former astronauts. "Human spaceflight" offers extensive material, including essays, technical information, and other material on the Mercury, Gemini, Apollo, Skylab, Apollo-Soyuz Test Project, and Space Shuttle projects. The Apollo Program includes the Apollo Lunar Surface Journal, an extensive site that provides corrected transcripts of recorded conversations between lunar surface crews and mission control with commentary from the site editor and 10 of the astronauts who walked on the moon. The same is available for Apollo 12, 15, and 16 Flight Journals. Reference material includes more than 50 historical policy documents including NASA's 1959 Long Range Plan and the 1986 Report of the Presidential Commission on the Space Shuttle Challenger Accident. There are more than 30 timelines and chronologies.

The photo and video section has video clips from the Apollo missions including lunar surface exploration. The massive Johnson Space Center Digital Image Collection has a searchable database of more than 9,000 NASA press release photos from the manned space program (Project Mercury to the Space Shuttle). "Space science" includes descriptive information and technical data on all planetary exploration projects from Mariner and Pioneer to Voyager and Galileo, as well as the lunar probe series Ranger and Surveyor. "NASA History for Kids" includes more than 25 links to sites for elementary and middle school students' research. With a wealth of both primary source material and secondary source information this site is an outstanding resource for teaching or researching the history of aeronautics and astronautics and the history of U.S. science and technology in the 20th century.

This website serves as a comprehensive resource for information on newspapers published in the United States from 1690 to the present. Its digital content comprises more than 680,000 individual newspaper page images drawn from close to 100 newspapers published in California, the District of Columbia, Florida, Kentucky, Minnesota, Nebraska, New York, Texas, Utah, and Virginia, between 1880 and 1910. Large cities are well-represented (for example, Washington D.C., and New York), as are medium-sized cities (Richmond, VA, and Louisville, KY) and smaller towns (Berea, KY).

This content is fully keyword searchable, and search terms appear highlighted on each newspaper page. Newspaper pages can then be zoomed for detailed viewing and downloaded in high-quality .jpg or .pdf format. By 2011, the website plans to include newspaper page images dating back to 1836. The website also provides basic publication information about more than 11,500 newspapers published from 1690 to the present. This information includes date, place, and frequency of publication, as well as holdings information for researchers interested in visiting the libraries where these newspapers are kept. The database can be searched by keyword, language, ethnic audience, or labor focus (from "agricultural industries" to "woodworkers").

This extensive archive assembles some 16,000 historical and biographical articles preserved in scrapbooks at the Wisconsin Historical Society in the late 19th and 20th centuries. The primary focus of the collection is the people and communities of Wisconsin. Most of the articles were published between 1860 and 1940 in hundreds of local Wisconsin newspapers. Together the articles contain more than 50,000 pages, all of which are available in the archive. Articles are displayed as page images, but transcripts are not provided. Visitors can search the collection by keyword or search by dropdown menus of counties, newspapers, or topics. Topics include agriculture, architecture, education, government and politics, Indians and Native Peoples, industry, and transportation. Full-text searching of the articles is not possible. An excellent resource for researching the social, cultural, and political history of Wisconsin and its people.

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.

The declared mission of this film archive "is to build a national preserve of documentary films about American folk or roots culture." The archive contains more than 50 independent films and videos "depicting American folk, traditional, regional, and vernacular culture." Films include Dry Wood, a "glimpse into the life, food, and Mardi Gras celebrations of black Creoles in French Louisiana, featuring the stories and music of 'Bois Sec' Ardoin and Canray Fontenot" and New England Fiddles, presenting seven "traditional musicians as they play in their homes and at dances and contests, passing their styles to younger fiddlers, and commenting on their music."

All films are available in streaming video and can viewed with Quicktime or Realplayer. The site also provides background material on each film, explaining the subject and aesthetic importance. Transcripts are available for some films. Visitors can browse the collection by title, filmmaker, subject, region, or people. They can also search for films or search the available transcripts of films as well as essays about the films. This site should be of interest to those studying the history of American folk culture or the history of documentary film.

This extensive archive offers more than 10,300 photographs of Florida folklife from the 1930s through 2001. The archive can be browsed or searched by keyword. The site also makes available 17 interviews with folklorists and folk artists and 24 recordings of performances by Florida blues, gospel, shape-note, and folk singers. Additionally there are also 10 "voices of Florida" collections that include recordings of performances by or interviews with folk musicians, crafters, storytellers, and folklife interpreters on subjects such as children's lore, religious traditions, Seminole culture, maritime traditions, ethnic folk culture, material culture, and occupational lore. There are also 29 brief profiles of prominent Florida folklorists.

For teachers, the site offers five educational units that offer a history section with an interview, documents and audio, photographs, and lesson plans. Unit subjects include Zora Neale Hurston's 1939 recording expedition to the turpentine camps in Cross City, the history and practices of the net-making trade, the tradition of white oak basket making, and Seminole doll making. The visitor can also search the full catalog of photos and audio recordings (46,000 photographs and 5,000 audio recordings). Also available are five film clips from early Florida Folk Festivals and the Florida Folk Arts Conference. And the website provides 30 links to related websites on folklife programs and collections.

This small "digital library" offers a collection of eight historical medical books related to the development of medicine in the U.S. PDF files of the original documents are accompanied by a transcription and a brief description. Additionally, most of the documents have a link to a "historical note" with a more detailed description of the document. The text of the documents is searchable. The eight medical works are Clara Barton's 1878 pamphlet on the Red Cross; Thomas N. Chase's 1903 Atlanta University conference report on the mortality of African Americans in cities; Benjamin Coleman's observations on smallpox inoculation, written during the 1721 Boston smallpox epidemic; an 1825 description by Robert Waln, Jr., of the Friends Asylum near Philadelphia, the first private hospital in the United States entirely dedicated to the treatment of mental illness; William T. G. Morton's 1847 work on producing anesthesia by the inhalation of sulphuric ether; L. Emmett Holt's 1894 book on the care and feeding of children; Benjamin Rush's 1808 pamphlet on medical care for U.S. Army soldiers; and the text of the 1906 Pure Food and Drug Act that led to the creation of the Food and Drug Administration.

This small archive provides more than 850 images from the mid-18th century to the present of the Santa Clara Valley in California. Browse the archive or view images through six thematic groupings: agriculture (91 images); education (147 images); people (467 images); technology (182 items); transportation (125 items); and urban life (78 items). There is some overlap between the collections. Keyword and advanced searches are also available. There are seven lesson plans on the history of the Santa Clara Valley, primarily for high school. Topics include the 1906 earthquake, the history of technology, urban development, the Ohlone Indians, women in Santa Clara County, and transportation.

This archive and virtual museum offers papers, photographs, and oral histories on the U.S. Securities and Exchange Commission (SEC) and its role in U.S. and international markets from 1929 to the present. There are 742 papers, reports, letters, notes, memoranda, transcripts of Congressional subcommittee hearings, and other documents organized chronologically by decade. Also available are 761 photographs arranged alphabetically. These include portraits, group photos, and photos of important events in the history of the SEC. There are edited transcripts and audio recordings of 33 oral history interviews and seven SEC roundtable discussions (some include essays and video). An interactive timeline allows visitors to explore important events in the history of the SEC.

A galleries section combines text and images in narratives exploring themes or important periods in the SEC's history. Each includes an introductory essay by the exhibit curator and primary materials, including papers, images or video clips, and oral histories. There are edited transcripts and audio of 21 original programs broadcast from the site as well as links to 38 related websites. Search is limited to keyword searches across the entire site. This site provides useful resources for studying the history of business and is an excellent starting point for those interested in the history of the SEC or those studying the history of business, businesspeople, or corporations

This combined archive and exhibit contains more than 100,000 images, including photographs, broadsides, posters, maps, advertisements, and other documents. There is a keyword search but no feature for browsing the entire collection. Many of the images can be browsed, however, through nine "galleries," or thematic collections of selected images. "Scenic Rails of the West" is a large exhibit with seven image galleries that include towns, touring, railroads, native culture, and national parks. The "Photos West Classics" gallery is also large and includes the most frequently requested images. Topics include children, saloons, trails and covered wagons, famous Westerners, famous Native Americans, Wild West shows, and Western life. Other galleries include "Railroads," "Building Histories," and "Native American Women." All images are accompanied by a descriptive catalog record and are available for purchase. A learning page (accessed through "news") offers 18 lessons. This website is a valuable source of images on Western figures, culture, environment, politics, and economic development. Teachers of the American West will also find valuable instructional resources.