A web-based reference work, this site provides authoritative and accurate information on people, places, institutions, and events for many aspects of Georgia's life, history, and culture. The encyclopedia offers close to 2,000 articles and 8,000 multimedia files on a range of categories, including art, business, education, politics, history, religion, and sports with specific articles on topics such as architecture: building types (houses, public schools, roadside, and vernacular), military bases, folklife projects, and gymnastics at the University of Georgia.

Within the essays, there are links to related essays and external websites. There are also video and audio clips as well as images and some maps. New material is added regularly and the site also offers basic stats on the state, features and destinations, and galleries.

Designed to provide support for elementary, middle, and high school history teachers, this site makes the entire American Memory collection at the Library of Congress available for classroom learning. Using the more than 7 million digital sources available through American Memory's 100 collections, the creators have written and collected 140 lesson plans for teaching American history. Organized chronologically and thematically, the lesson plans are detailed suggestions for classroom activities. Each has a recommended age group and uses primary sources collected by students or teachers from American Memory.

Especially useful are the included guides on using primary sources, using American Memory resources, and using digital or Internet sources in the classroom. A "Professional Development" section offers online workshops and tutorials to improve teachers' digital literacy. An excellent resource for the classroom, this site would be useful to both student and teacher.

Designed to explore the historical similarities and contrasts, ethnic diversity, and interactions between Brazil and the United States, this site contains almost 1,000 images from the rare book, manuscript, map, print, and photographic collections of the Library of Congress and the National Library of Brazil.

The site includes letters (including letters from Thomas Jefferson concerning the independence of Brazil), illustrations, 18th-century maps, and other textual items, including poetry.

The sources are available in five categories: "Historical Foundations," "Ethnic Diversity," "Culture and Literature," "Mutual Impressions," and "Biodiversity" (right now, only the Historical Foundations section is completed). The site is viewable in both English and Portuguese, and is appropriate for high school and college students, as well as teachers and researchers.

This site presents nearly 1 million pages of Vietnam War-related research materials. It includes the full text of more than 80,000 documents, 60,000 photos and slides, hundreds of interviews with veterans and other participants, streaming audio and video recordings, and much more. The more than 685,000 pages of documents include official government and military records, unit and operation action reports, unit rosters, staff journals and morning reports, personal letters, and diaries. The collection grows by some 20,000 pages of new material each month.

Visitors may find useful the Acronym Database (to help with those mysterious and persistent military acronyms). The search engine has been recently updated, and no longer supports simple searches; all searches are advanced. The archive limits the number of users at any one time, due to licensing issues, so the site may be unavailable during times of heavy use.

Convenient, powerful, and massive, this site is invaluable for research into Vietnam units, individuals, and operations.

This site uses about 45 sources to document the planning and construction of the New Jersey Turnpike, opened after two years of construction in 1952.

Building It contains a 1,000-word history of the turnpike's construction, as well as eight primary documents from the planning stages of the highway, including an early map of the proposed route. A dozen promotional documents (pamphlets, public announcements, bond solicitations) and newspaper coverage are also available as is a narrative account of tensions in Elizabeth, NJ, where more than 200 citizens were displaced to build the highway.

Driving It includes 10 accounts from many of the first to drive along the turnpike, advertisements from Howard Johnson's and other turnpike concessionaires, and an excerpt from a 1950s film on highway safety.

Telling It features 16 primary sources, 10 driver stories, and accounts from toll collectors, as well as the story of the first highway worker to lose his life on duty in 1967.

Three Detour sections allow visitors a little diversion with short activities: visitors can match up song lyrics that mention the turnpike with the artists who wrote them (Bruce Springsteen and Simon and Garfunkel are included).

For teachers, the site includes an annotated bibliography of works for various age groups.

This site includes digitized versions of 28 Utah newspapers as part of the Utah Digital Newspapers project. Currently, the site contains more than 600,000 pages. Researchers using this digital archive may browse each individual newspaper by issue, or elect to search by keyword, article title, weddings, deaths, and births.

The site also features a map that users can scroll over to determine which counties in Utah had newspapers that are currently archived in this database, and the dates covered.

The collections begin in 1879, and feature PDF versions of the newspapers.

This site explores the invention and rise of Tupperware products in the 1950s, as well as its impact on women's issues, and its connection to the 20th-century consumer culture revolution. The site focuses on Earl Tupper, the inventor of Tupperware, and Brownie Wise, the woman who created the Tupperware party concept and built a Tupperware empire. Included are short (500-word) biographies of each.

In the Gallery, visitors can see 12 of Tupper's invention notebooks to examine some of his inventions that were not as successful as Tupperware, like his no-drip ice cream cone and his necktie shaper.

The Teacher's Guide offers two learning activities in each of four academic areas: civics, economics, geography, and history. A timeline spans from the 1850s to 2003 and includes events such as the invention of plastic.

Primary Sources includes transcripts of interviews with Tupper and Wise, six video clips from the late 1950s and early 1960s (documenting the annual Tupperware Homecoming Jubilees, which were large gatherings of Tupperware dealers), as well as excerpts from the first Tupperware handbook. Also included are six documents, including a 1960s training manual, How to Sell Tupperware, and a collection of Wise's Aphorisms.

Visitors can share their experiences with Tupperware, either as consumers or as Tupperware dealers, in the Share Your Story section.

Finally, the site features an interview with a noted historian of women's issues who discusses the realities of married women's employment in the 1950s, as well as the impact Tupperware had on women's opportunities.

This attractive website offers a presentation on the history of Virginia from prehistoric times to the present with essays, images, and teaching resources. There are 10 chapters: the first Virginians; the settlement of colonial Virginia; Virginia's society before 1775; Virginians in the American Revolution; Virginians as Southerners, Confederates, and New Southerners; Virginians in the 20th century; the struggles of African American and female Virginians for equality; and a final chapter on images of Virginia in popular culture. Each chapter has an essay featuring images of relevant items in the collections of the Virginia Historical Society.

The "resource bank" collects all 95 images from the chapters of people, documents, places, and objects. Additionally, the site offers a teacher's guide for each chapter listing the standards of learning, a summary of key points, classroom activities and lesson plans, links to related websites, and information on tours, outreach programs, and hands-on-history programs.

An excellent introduction to the history of Virginia and its people with useful resources for class projects and classroom instruction.

This collection of 30,000 historical photographs contains scenes of San Francisco from 1850 to the present and includes views of streets, buildings, and neighborhoods, as well as photographs of famous San Francisco personalities. Visitors can search for photographs by neighborhoods using the interactive map, one of the site's most engaging options. There are also miniature tours of such locales as the Barbary Coast, Nob Hill, and Telegraph Hill.

The San Francisco neighborhoods are searchable through a list of subjects, which includes monuments, nightclubs, orphanages, parks, and stadiums.

There are several specialized collections, such as the James A. Scott Collection featuring 27 pairs of "before-and-after" images of the city with the photographer's notes and comments.

A photo morgue of the daily newspaper, San Francisco News-Call Bulletin, dating from the 1920s to 1965, completes the site.

A reference resource for basic information about the U.S. Presidents. Each president's page includes election results; cabinet members; a list of notable events during term of office; and historical documents, such as inauguration speeches, proclamations, and significant public addresses.

The site provides links to sites about important events and biographies of family and cabinet members. Audio files are available for presidents from Grover Cleveland to George W. Bush. Links to two to 10 internet biographies and one to 13 related sites are provided.