The 580 maps of more than 80 South Carolina towns and cities in this archive reveal urban landscapes and the locations of businesses, mills, colleges, depots, and other buildings between 1884 and 1923. The collection includes 232 unpublished, hand-drafted maps from the years 1899 to 1937. All maps are displayed with original color coding. Users can zoom in and out of maps and can pan right, left, up, or down to examine details. Every map is accompanied by bibliographic data. The full collection can be browsed or the user can choose to browse just the unpublished maps. The collection can be searched by city, year of publication, and county. The maps provide many details about mills and are particularly useful in revealing spatial relationships and location of railroad lines. There is also a link to the Union List of Sanborn and other fire insurance maps. An extremely useful resource for those researching the business or urban history of South Carolina in the decades around 1900.

Currently provides 22 census data samples and 65 million records from 13 federal censuses covering the period 1850-1990. These data "collectively comprise our richest source of quantitative information on long-term changes in the American population." The project has applied uniform codes to previously published and newly created data samples. Rather than offering data in aggregated tabular form, the site offers data on individuals and households, allowing researchers to tailor tabulations to their specific interests. Includes data on fertility, marriage, immigration, internal migration, work, occupational structure, education, ethnicity, and household composition. Offers extensive documentation on procedures used to transform data and includes 13 links to other census-related sites. A complementary project to provide multiple data samples from every country from the 1960s to 2000 is underway. Currently this international series offers information and interpretive essays on Kenya, Vietnam, Mexico, Hungary, and Brazil. Of major importance for those doing serious research in social history, the site will probably be forbidding to novices.

With a focus on business history and its connections to larger cultural, social, and political trends, the Hagley archive presents digital images on a range of topics, including "industrial processes; commercial landscapes; marketing and advertising; transportation facilities and methods; development of information technology; and, the social and cultural aspects of work and leisure." Pictured are bridges, dams, coalmines, and the testing and manufacturing of gunpowder and explosives, nylon, steel, railroads, automobiles, and airplanes. Also included are images of historic buildings, homes, and gardens in Delaware and Pennsylvania.

There are some images of advertisements, packaging, company brochures, trade catalogs, pamphlets, internal documents, letters, and other ephemera from various industrial enterprises. It includes, for example—under "nylon"—not only shots of machinery, product samples and images of the stages of melting and forming polymers, but also such treasures as ads and publicity shots of women modeling nylon stockings and swimsuits (including "Miss Chemistry" at the 1939 New York World's Fair), and news photos of the riotous early sales of nylon stockings.

Other topics include the early development and use of computers by Univac, IBM, and Remington Rand, aerial photos of the Mid-Atlantic seaboard; automobiles; Lukens Steel Company; ship building; and coal mining.

In conjunction with the Russian State Library in Moscow, the National Library of Russia in St. Petersburg, and the Rasmuson Library of the University of Alaska in Fairbanks, the Library of Congress has digitized more than 2,500 items, comprising approximately 70,000 images, and provided transcriptions and commentaries in English and Russian to offer a comparative history of American and Russian expansion through frontier territories in each nation's continent. The site presents an overview of expansion into Siberia and the American West in six sections: Exploration, Colonization, Development, Alaska, Frontiers and National Identity, and Mutual Perceptions. Each section contains from two to 11 modules that call attention to similarities and differences between the two histories with regard to subjects such as migration—forced and otherwise, missionaries, religious flight, mining, railroads, agriculture, cities, popular culture, and tourism, and even compares Cossacks with cowboys.

The site offers more than 40 complete books, including manuals, handbooks, fiction, and travelers accounts; 77 maps and one atlas; 438 items from the Russian-Ukrainian Pamphlet and Brochure Collection; materials from six complete manuscript collections, regarding exploration, trade, and commercial activities; four tour-of-the-century films; 125 newspaper articles; 11 dime novel covers; five photographic collections; and one sound recording of a Russian folk song. Provides a 500-title bibliography and links to 30 related sites. Valuable for those studying the American West and Russian history and investigating ways to explore frontiers of comparative histories in order to expand beyond limits of national history narratives. Listen to the audio review: .

Offers statistical national economic and financial data in the following 12 categories: interest rates; business/fiscal (including federal debt, receipts and outlays, employment cost index, productivity and cost, and inventories and sales); consumer price indexes; monetary aggregates; commercial banking; employment and population; gross domestic product and components; producer price indexes; exchange rates, balance of payments and trade data; reserves; and daily/weekly financial data. Much of the data was compiled monthly. Periods covered vary according to category; some statistics go back to 1901. Also provides historical and recent statistics for the states of Arkansas, Illinois, Indiana, Kentucky, Mississippi, Missouri, and Tennessee. Useful for those studying business and economic history, and for social historians interested in employment trends.

Provides data from more than 2,500 statistical tables on historical trends in expenditures on research and development (R&D) conducted in the U.S. from 1953-1998 by industrial firms, domestic and foreign-owned. Tables are accessed as downloaded Excel spreadsheets. Data for more recent years, presented under a new coding scheme, can be found in a linked site. Compiled by the National Science Foundation's Annual Survey of Industrial Research and Development. Statistics available include expenditures by industry, size of R&D programs, types of cost, comparison by states, comparison of R&D to net sales by industry, comparison by size of company, federal amounts of R&D, and cost of R&D per scientist and engineer. The site does not contain data for individually specified firms. Provides links to approximately 15 publications and sites on national patterns of R&D resources. Of great value to those studying business history, history of science, and government, in addition to policy makers.

A sample of 13 audio files of radio commercials from the late 1950s through the early 1960s—part of the Radio Advertising Bureau Collection. This is part of the larger collection of 850 discs, containing approximately 70 hours of material, that have been remastered. The Bureau, a national trade organization, was formed in 1950 (as the Broadcast Advertisers Bureau) to promote radio as a medium for advertisers. The samples—available in two formats, .WAV and .AIFF—include ads for toothpaste, cold medicine, soft drinks, gasoline, beer, cigarettes, cookies, automobiles, dog food, deodorant, and pimple cream. Useful for those studying consumer culture and the use of pop music and radio in advertising.

An experimental presentation of 450 items in the Smithsonian Institution's American History collections, many of which are not on public display. Visitors to this virtual tour will find a map divided into regions representing broad subject categories that contain smaller rectangles standing for individual objects. Moving a mouse to a particular square results in the appearance of the name of the object, a thumbnail image, a date projected onto a timeline, and lines emanating out to relevant subject areas. Users can then click to learn more, finding a 100-200 word description, an option to zoom in closer, and often links to further information in other Smithsonian sites. Also searchable by keyword and category. Objects selected by curators "include famous, unusual, and everyday items with interesting stories to tell. They are not intended to be representative of the Museum's entire collection."

Categories reflect the wide range of the Institution's holdings, including clothing, arts/entertainment, business, science/medicine, photography, home, print/communications, transportation, military, computers, and sports. Includes audio and video items. Users can submit ratings for each object that will affect the future relative size of each square. Although innovative in design, the site may be disappointing to those searching for in-depth information about American history and culture; this is history-lite, with bells and whistles given more prominence than context and meaning.

This website offers historians a wealth of data on the economic history of the United States. "Data" is the main section of interest to historians. "Business Cycle Dates" in this section offers a listing of the business cycles that have occurred from 1857 to 2001 that show peaks, troughs, and the duration of the contraction, expansion, and the complete cycle. The database located under "NBER Collection" contains 58 reports under the subject headings of macro data, industry data, international trade data, individual data, hospital data, and patent data. The reports have data and statistics on such topics as inflation; social security; vital statistics on births, marriages, divorces, and deaths; manufacturing; industrial production; and the business cycle. Of particular interest under "individual data" are the Vital Statistics of the United States books for the years between 1937 and 1968. There are also links to 37 other collections of economic data. Useful resources for those studying U.S. economic and business history.

Harper's Weekly was the leading illustrated American periodical between 1857 and 1872. This site allows all registered users free access to an online archive of 40,000 advertisements that appeared in Harper's Weekly. Without registering, visitors have access to 33 ads divided into seven categories, such as foreign travel and insurance. Two of the most compelling categories are "Civil War products," featuring ads for metallic artificial legs and bulletproof vests and "consumer goods," including advertisements for appliances, packaged goods, and pest killers. Although the ads include text and images, a 100-word introduction provides the only historical context for the advertisements on this site. For those studying 19th-century advertising and consumer culture, the site will be of interest.