More than 40 historical census reports, including decennial reports dating back to 1790, are available for download on this website as PDFs. Historical statistics address topics such as population totals by race, urban or rural status, educational attainment, and means of transportation to work, among others.

There are also histories of the 21 U.S. census questionnaires produced from 1790 to 2000, including instructions to census marshals dating back to 1820. Comparative tables show which censuses included specific questions on subjects, such as ancestry and mental disabilities, and whether respondents were deaf, blind, insane, feeble-minded, paupers, literate, or convicts. Additional information includes state and territorial censuses, mortality schedules produced for a number of 19th-century censuses, population at the time of each census, and supplemental censuses taken at various times on free and slave inhabitants, Indian populations, unemployment, and housing.

Because of the PDF format, the reports take a number of minutes to download. These materials are useful for those needing demographic information or researching the history of census taking and the development of census categories.

Currently provides more than 122 images of objects, documents, and photographs pertaining to the history of the town of Worthington, OH, founded in 1803 by a group of families migrating from western Connecticut and Massachusetts. The site creators plan to add more materials in the future, including digitized versions of 19th- and 20th-century newspapers and oral histories. Users may search by subject, title, or keyword in bibliographic records—which include abstracts of up to 100 words for each item—or browse the collection by decade or 27 categories covering aspects of the social, economic, cultural, civic, and environmental history of the town. Includes links to 22 related sites. Useful for those studying local history.

Presents 470 audio excerpts of interviews and 3,882 photographs compiled in 1994 by the American Folklife Center of the Library of Congress during a study of occupational culture in Paterson, NJ. The project—sponsored by Congress—explores ways that the industrial heritage of Paterson, with manufacturing roots going back to the 18th century, still affects present-day community life and culture with regard to work practices and leisure activities. Audio files are available in three formats, accompanied by bibliographic records with word-searchable summaries and subject headings. The site includes five essays—from 2,500 to 5,000 words in length with photographs—by project fieldworkers on African American family businesses in Paterson; an ethnography of a single workplace—Watson Machine International, a manufacturing film established in 1845; business life along a single street—21st Avenue, home to Italian and Hispanic communities; a traditional Paterson food—the hot Texas wiener; and remembrances by retired workers.

Offers a 27-title bibliography, annotated links to 32 related sites, and a glossary of specialized terms. Valuable for those studying the intersection of labor and ethnic history, urban history, and the functioning of historical memory.

Presents histories of two secretive U.S. intelligence organizations—the National Reconnaissance Office (NRO) and the National Security Agency (NSA)—and documents the use of satellite imagery in U.S. intelligence operations. Material is organized into three electronic briefing books. The site includes 23 documents from 1961 to 1996 on the creation of the NRO—established in 1961 to coordinate U.S. reconnaissance efforts; 24 documents from 1950 to 2000 on the NSA, created to manage and control U.S. communications intelligence activities; and 14 satellite photographs with a 4,400-word essay on the history of U.S. satellite imagery from 1960 to 1999. The NSA briefing book offers President Truman's 1952 memo establishing the agency and additional documents concerning topics such as North Vietnam military strategy, India's atomic energy program, the global surveillance network known as Echelon, and concerns about possible infringement by the agency of privacy rights of U.S. citizens. Satellite photographs show sites in the Soviet Union, the Sudan, Iraq, Serbia, and Afghanistan.

Includes links to information on three microfiche sets of related documents and three books on the history of U.S. intelligence operations by the site's creator, Jeffrey T. Richelson. Valuable for those studying the effects of technological developments on the history of U.S. espionage activities and international relations during and after the Cold War.

Presents more than 600 drawings by Kiowa Indians—a tribe originally from the Southern Plains—from the 19th and 20th centuries. While many are on traditional buffalo hide, more recent drawings are on paper. These drawings illustrate "tribal social and artistic traditions" as well as the history of contact and conflict. The first of five sections includes 45 drawings created by Kiowa, Cheyenne, and Arapahoe warriors imprisoned in the 1870s. The largest section offers more than 400 images commissioned by anthropologist James Mooney in the late 19th century as illustrations for his field notes. Additional sections include the Silver Horn pictorial calendar, composed of images used to track time and illustrate stories, and Silver Horn Target Record Book, with images of "warfare, courting, personal dress, the Sun Dance, and stories of the mythical trickster figure, Saynday." The final section offers material by the "Kiowa Five," artists who studied at the University of Oklahoma in the late 1920s and helped establish contemporary Indian painting. Useful for those studying American Indian history, culture, life, and art.

Approximately 75 items that tell the story of pioneering African American flyers, their contributions to the World War II effort, and racial discrimination they suffered. The site is arranged into four sections containing narratives of approximately 350 words each with hyperlinks leading to related images, mostly photographs. The exhibit also includes reproductions of posters, newspaper articles, insignias, advertisements, personal accounts, government documents, and letters. Searchable by keyword, decade, exhibit section, media, or name of plane. The reproduction quality of some of the items is poor; several newspaper articles are so blurred they are virtually unreadable.

Includes two lesson plans for grades 5-12, links to nine related sites, and an 11-title bibliography. The site will provide students with a brief introduction to an often neglected aspect of African American and aviation history.

Provides nearly 12,300 documents pertaining to Nobel Prize-winning geneticist and microbiologist Joshua Lederberg (b. 1925), acclaimed for his work in molecular biology and the genetics of bacteria. Most of the material dates from 1945 to the present. Includes more than 10,300 pieces of correspondence, more than 550 articles, 19 lab notebooks, 228 newspaper columns, 48 speeches, 55 monographs, 28 essays, 32 official reports, 83 photographs, and 9 video clips. An exhibit orients visitors to Lederberg's important work in bacterial and cellular genetics, artificial intelligence and expert systems, exobiology ("the study of life outside the atmosphere"), emerging infectious disease and biological warfare (Lederberg was a critic of biological warfare research), and health and the future. The site is fully searchable. Valuable for those studying the history of science and social policy.

Provides historical information and photographs pertaining to more than 300 surveying instruments used in America to delimit land and transport boundaries "since the first European colonists settled here some 400 years ago and turned the American landscape into property." Visitors may browse by 23 types of instruments—from alidades to zenith telescopes—and by 117 names of instrument makers. Informative texts on makers, types of instruments, and specific instruments run from one sentence to 300 words in length. Entries include bibliographic references. Of value for those studying the history of science and technology.

Provides approximately 1,350 life histories and youth studies created by the Virginia Writers' Project (VWP)—part of the Works Progress Administration's Federal Writers' Project—between October 1938 and May 1941. In addition, the site offers more than 50 interviews with ex-slaves conducted by the VWP's all-black Virginia Negro Studies unit in 1936 and 1937 and six VWP folklore studies produced between 1937 and 1942. The life histories—ranging between two and 16 pages in length—offer information on rural and urban occupational groups and experiences of individuals during the Depression, in addition to remembrances of late 19th-century and early 20th-century life. The youth studies investigate experiences of young people between the ages of 16 and 24 who left school and include a survey of urban black youth. The ex-slave narratives, selected from more than 300 that were conducted for the project—of which only one-half have survived—provided research for the 1940 WPA publication The Negro in Virginia.

Interviews and studies were edited—sometimes extensively—at the Richmond home office. Each study includes a bibliographic record with notes searchable by keyword; for many records, notes are structured to include searchable data on age, gender, race, nationality, industrial classification, and occupation. The site includes a 2,300-word overview of the project. Valuable for those studying social, economic, and cultural life in Virginia during the Depression, in addition to early periods, youth culture, and the history of slavery.

Senator Robert F. Kennedy's trip to South Africa in June 1966 to protest that country's system of apartheid and support efforts to combat it is amply documented on this site with texts, audio files, film clips, and photographs. The site provides texts of the five speeches delivered by Kennedy during the visit—for three of these, full audio files are provided. Also offers texts of 13 additional speeches—from South African students and political leaders, as well as American leaders—with six available in audio format. Background annotations of up to 100 words accompany all texts. A newspapers section on the press coverage of the visit provides nine articles from U.S. newspapers and 15 articles from South African newspapers. A magazines section provides seven articles about the visit, including a Look magazine article about the trip written by the senator; and a cartoon section highlights 12 political cartoons. The site also provides 13 related documents, and more sources can be found in the "Resources" section. These include the "Black Christ" painting that caused uproar in 1962, 11 posters of Nelson Mendela, 11 annotated political cartoons, two national anthems for comparison, and 19 recommended books and links to 19 relevant sites.

An overview essay of 3,500 words describes the "enormous impact" of Kennedy's visit and illuminates "the manner in which he subtly challenged and undermined some of the pillars of apartheid ideology and mythology." A study materials section is designed for use in high schools and colleges with questions for class discussion and a feedback questionnaire. Additionally, the site's audio and video streaming now works with Realplayer and Mediaplayer, and the video streaming also now works with with Quicktime. A valuable site for studying the history of race relations in South Africa and the United States.