Official site of the Baseball Hall of Fame, located in Cooperstown, New York. Gives 100-word biographies on all past 253 inductees and 1,000-word essays on the four members elected in 2001. Includes four educational programs, each containing 4-5 primary source documents--cartoons, articles, letters, photographs, and advertisements--on World War II and baseball, Jackie Robinson, the Negro Leagues, and women in baseball. Provides extensive bibliographies of more than 100 titles each on Robinson, Roberto Clemente, women in baseball, sex discrimination in athletics, and the 1972 antitrust suit "Flood v. Kuhn," dealing with baseball's controversial "reserve clause." Also includes a 4,000-word essay on a leading midwest minor league team from 1901-1961; research lists dealing with baseball trivia topics; an exhibit of paraphernalia given by a collector; a "Treasures of the Hall of Fame Quiz" for visitors age 12 and under; links to 34 major and minor league ball club sites; and information about using the organization's library and research collections. A useful source of historical information on baseball players, clubs, leagues, law, and lore.

This website offers more than 4,000 primary sources, including newspaper stories, photographs, statistics, oral histories, and personal narratives, related to children and childhood in urban America, specifically in the greater Milwaukee area, from 1850 to 2000. The search page is the most direct route to these sources and is accessible by clicking on the purple kite in the top, right corner of some pages. On other pages, "search entire site" in the footer is the only link. The site is organized around five sections-Work, Play and Leisure, Schooling, Health and Welfare, and "Through Children's Eyes." Each section offers a 150-word introduction, a gallery of five to 40 images, and approximately five "Special Topics" that combine a background essay (300 to 500 words) and a collection of five to ten relevant primary sources. "Special Topics" range from the Socialist Party, religion, and newsboys to National Child Health day and polio in Milwaukee County.

A section for teachers and students offers 25 possible research questions and tips for middle school, high school, and college and cover a host of topics, from games to newspaper coverage of children to the impact of technology on the lives of children. This website is useful for studying childhood and urbanization during a time when what it meant to be a child was changing rapidly.

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 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."

Providing access to social science data for member colleges and universities, this website presents data that covers a range of sociological and political areas. Issues include census enumerations; urban and community studies; conflict, violence, and wars; economic behavior; legal systems; legislative bodies; mass political behavior and attitudes; and organizational behavior.

While much of the site emphasizes the late 20th century, data sets such as "Historical and Contemporary Electoral Processes" and "1790–1960 Censuses" will be useful for historical research. Searching is available according to a controlled vocabulary of names, subjects, and geographical terms. There are 10 special topic archives with data geared to health, education, aging, criminal justice, and substance abuse and mental health concerns. A "data use tutorial" and links to related sites may be useful.

Comprehensive and summary data estimates concerning national, international, and regional economic activity are available on this website. Additional data is available according to industry. An overview of the economy provides data on production, purchases by type, prices, personal income, government finances, inventories, and balance of payments.

An easy-to-use keyword index to a set of annual and quarterly national income and product account (NIPA) tables from 1929 to 2006—found in the "National" section under "Personal Income and Outlays"—allows users access to data on specific product sales and ways that consumers have spent money. Forty-nine recent research papers by staff members address issues such as globalization, how the "new economy" is measured, and structural change of the economy over a 28-year period.

This wealth of data presents National Election Studies surveys of the American electorate conducted in presidential and congressional election years from 1948 to 2006. Large files of raw data can be downloaded. In addition, The ANES Guide to Public Opinion and Electoral Behavior is available and is readily accessible.

Composed of more than 100 tables and graphs, the guide traces nine key variables in the makeup and opinions of the electorate. These include: social and religious characteristics; partisanship and evaluation of political parties; ideological self-identification; public opinion on public policy issues; support for the political system; political involvement and partisanship; evaluation of presidential candidates; evaluation of congressional candidates; and vote choice. This website also provides pilot studies on recent surveying issues, such as measuring exposure to television advertisements, and a 5,000-item bibliography.

Records on the more than 25 million passengers and ship crew members who passed through Ellis Island between 1892 and 1924 are available through this website. Most passengers came from Europe and Russia, although there are some records from Asia, the Caribbean, and Latin America.

The website requires a free, simple registration to view detailed records that include name, residence, date of arrival, age on arrival, ethnicity, place of residence, marital status, ship of travel, place of departure, and a copy of the original ship manifest (a transcription is also available). The website includes extensive contextual information about Ellis Island, immigration, and genealogical research. "Family Histories" illuminates the genealogical research experiences of six Americans of diverse ethnic backgrounds.

The "Peopling of America" exhibit covers six periods from pre-1790 to 2000, with graphs, photographs, and immigration statistics geared to place of origin. Additional information is available for an annual fee.

The Civilian Public Service Story answers the question, "Did individuals conscripted for World War II who were strongly opposed to killing have to fight?" The answer, something rarely discussed, is no. In the words of the site's introductory page, "Civilian Public Service (CPS) was a program developed at the onset of WWII which provided those whose conscience forbade them to kill, the opportunity to do work of national importance under civilian direction rather than go to war. Nearly 12,000 men made this choice, and many women voluntarily joined the cause. They fought forest fires, worked in mental institutions, planted trees, did dairy testing and served as subjects for medical experiments in more than 150 camps scattered throughout the United States."

The section "The Story Begins" consists of a brief summary of the history of conscientious objection in the U.S., beginning with colonial times. You can also find an annotated bibliography, listing approximately 18 works. Note that these works, and this site in its entirety, are intended for adult users. However, this does not preclude the information from being useful for K–12 history education.

"The People" consists of a few statistics on the World War II CPS population as well as a database of the men and women of the CPS, reproduced with permission from the Center of Conscience and War. These records, searchable and alphabetized by last name, may include year of birth, community, religious denomination, CPS entrance and exit dates, spouse, camps and units, higher education, and pre- and post-CPS occupation. These records may be of the most use in a classroom setting, as they could spark local history or oral history projects. "The Camps" provides a similar feature. Consider looking into CPS camps that were in your area using the map application on the site.

Basic statistical data and explanatory material on the workings of the Electoral College, provided by the Federal office that coordinates its operations. Data includes electoral and popular vote totals for presidential elections since 1789; listings by state of electoral college members for 1992-2000; facsimiles of certificates of ascertainment and certificates of votes for the 2000 election; and a digest of current state laws and requirements. Also offers a 2,700-word procedural guide; relevant federal law provisions; a 1,600-word description of state responsibilities; and 10 links to additional National Archives sites of relevance. A quick and easy way to locate vote tallies and legal information regarding the institution of the Electoral College.