Thousands of primary materials, including documents compiled by Korean American organizations, personal papers, more than 1,900 photographs, and around 180 interviews, address the experiences of Koreans in the United States between 1903 and 1965 on this website. The materials run the gamut from organizational memos and other official documents to personal letters, wedding programs, birth certificates, and social security check stubs.

This material allows users to piece together the life histories of individual Korean Americans. They will find individuals like Soon Hyun, an activist in the Korean resistance movement against Japanese colonialism in 1919, who later moved to the United States and became a minister in Hawaii. Or Florence Ahn, a Korean American who became a prominent singer in Los Angeles. These personal biographies, in turn, allow users to examine the human dimension of the history of Asian Americans, and place individuals within a larger history.

A collection of 10 essays on "the modern American city as a space of representation," using New York, Chicago, and Los Angeles in the years between the 1870s and 1930s as focal points for interdisciplinary explorations. The essays, originally presented at the 1999 conference "New York, Chicago, Los Angeles: Cultures and Representation," run from 3,000 to 12,000 words in length, include approximately 100 photographs and address topics such as the urban novel, Harlem sidewalk photographs, urban perception in the fiction of W. D. Howells, urban electronic history, how the physical redefinition of Chicago in the 1890s "presaged and enabled the virtual city of a century later," and how public art in New York and Los Angeles represented the cities and their inhabitants.

The 3Cities Project, based in the departments of American and Canadian Studies at the Universities of Nottingham and Birmingham, has also produced the electronic book City Sites, which offers an additional 10 multimedia essays on New York and Chicago (see separate "History Matters" entry for a detailed description of this component site).

Highly theoretical and intellectually challenging, these sites will be valuable to those studying urban history, human geography, cultural representations, and societal consequences of the transformation to modernity in American cities.

This American Memory website traces the history of the Upper Midwest (Michigan, Minnesota, and Wisconsin) from the 17th century to the early 20th century, through 138 volumes drawn from the Library of Congress General Collection and the Rare Books and Special Collection Division. Selected works include first-person accounts, biographies, promotional literature, local histories, ethnographic and antiquarian texts, and colonial archival documents that depict the region's land and resources, cross-cultural encounters, experiences of pioneers and missionaries, soldiers, immigrants, reformers, growth of communities, and development of local culture and society. Each work is available in full-text transcription or page image, and is accompanied by notes giving the title, author, publication information, and a 300–350 word summary of the contents.

The site also offers a 2,000-word essay on the history of the Upper Midwest that covers the discovery, exploration, settlement, and development of the region from pre-contact to the early 20th century; a regional map dated 1873; links to more than 40 related websites; and a bibliography of nine related works, three of which are ideal for younger readers. The site can be searched by keyword and browsed by author, subject, and title. For those interested in the history of the Upper Midwest and Great Lakes region, this site offers some informative resources.

Although he was not the first president to be filmed for motion pictures, Theodore Roosevelt was the first to have his life chronicled through extensive use of the then-new medium. This site, part of the Library of Congress American Memory Collection, offers 104 films depicting events in Roosevelt's life, from the Spanish-American War in 1898 to his death in 1919. The Theodore Roosevelt Association Collection provided 87 of the films and the remainder came from the Library of Congress Paper Print Collection of the Motion Picture, Broadcasting, and Recording Sound Division.

The films include scenes of Roosevelt with world figures, politicians, monarchs, friends, and family members. The films are not accompanied by lengthy explanatory text; they include only a brief, 10–15 word caption describing their contents.

Special presentations on this site include: a film chronology offering a timeline with 150–200 word outlines of each period in Roosevelt's life covered in film; a text-based timeline from Roosevelt's birth in 1858 to his death in 1919; "T.R. on Film," a roughly 750-word scholarly essay; four sound recordings, with transcriptions, Roosevelt made for Edison company in 1912 in which he stated his progressive political views; and an image of "Theodore Roosevelt: The Picture Man," a 2,000-word article from a 1910 The Moving Picture World magazine.

See also the 250-word description of the collection, a 15-work selected bibliography on Theodore Roosevelt and motion pictures, and links to four related websites. A "Learn More About It" section includes 12 other Library of Congress special presentations and related collection sites for those who wish to learn more about Roosevelt and his times. This site is a good resource for learning about Theodore Roosevelt and the United States around the turn of the 20th century.

This Library of Congress American Memory site, a collaborative effort of the Library of Congress Hispanic Division and the National Digital Library Program, was created to help commemorate the centennial of the Spanish American War (1898). It traces the early history of the Commonwealth of Puerto Rico through first-person accounts, political writings, and histories.

The selections consist of 39 Spanish-language political pamphlets, 13 monographs, and one journal that highlight topics such as land, natural resources, relations with Spain, political rivalries, and reform efforts. A brief (200–250 word) summary of the item and notes about the author, publication date and place, and repository information accompany each item. The Spanish-language pamphlets are not translated into English.

The online exhibit also features reminiscences of 12 soldiers who fought in the Spanish American War. A special presentation of downloadable cartographic items from the Library's Geography and Map Division includes two maps of the West Indies dating from 1806 and 1898; seven maps of Puerto Rico (1886–1915); maps of the cities of Bayamon, Mayaguez, and San Juan, Puerto Rico; and three Puerto Rican maps from the Spanish American War era.

The site also offers links to nine other American Memory sites on related topics and a bibliography lists more than 50 related works, approximately 20 of which are suitable for younger readers. This site will appeal to a small audience because of the number of untranslated Spanish documents; additionally, the selected documents only depict a narrow slice of Puerto Rican culture and society, primarily that of political, military, and foreign relations history. But for students interested in Puerto Rican history or the history of Spanish and American relations, this is a useful site.

This Library of Congress American Memory site features images and descriptions of 623 railroad maps selected from more than 3,000 regional, state, and county maps in the Library's Geography and Map Division. The selected items represent the variety of cartographic styles and techniques used in maps created for a range of purposes, including railroad surveys, U.S. General Land Office maps, surveys for rights of way, general surveys for railroad company reports, maps used by commercial publications, ticket agents and the public, and route guides to encourage commerce and travel by rail.

The maps on this site were featured in the cartobibliography Railroad Maps of the United States: A Selective Annotated Bibliography of Original 19th Century Maps in the Geography and Map Division of the Library of Congress, compiled by Andrew M. Modelski (1975). A descriptive summary of 50–100 words and notes on the scale, publication place and date, medium, call numbers, and repository accompany each image.

The site also includes a lengthy (3,000-word) essay outlining the history of railroads and maps, a bibliography of eight related works, and links to 15 American Memory sites containing related materials. The site can be searched by keyword and browsed by geographic location, subject, map creator, title, and railroad lines. This site is ideal for students and teachers interested in the history of railroads, cartography, and transportation in the United States.

Part of the Library of Congress American Memory project, this site offers 45 films of New York City, 1898 to 1906, from the Paper Print Collection of the Motion Picture, Broadcasting, and Recorded Sound Division. Subjects of these films include buildings, parades, everyday activities like delivering newspapers, immigrants landing on Ellis Island, and the interior of a subway.

Each film is accompanied by a 75–100 word summary of the film's contents and notes on the duration of the film, the cameraman's name, filming location, date filmed, and the call number and location information for the original film. The site also offers a 500-word essay on New York City at the turn of the century; a 750-word essay about America at the turn of the century; and a 200-word essay on the career of "Pioneer Cameramen" of the era.

A "Learn More About It" section includes links to 10 other American Memory resources and related exhibits, and selected bibliographies offer 24 works on the history of New York City and 14 works on the history of motion pictures. Visitors can search the site by keyword and browse by subject and film title.

Though somewhat limited in scope, this site is ideal for those interested in urban history, the history of New York, or the early motion picture industry.

A companion for Jazz, the PBS documentary series, this site explores the origins and evolution of a distinctively American form of music.

The site is divided into three main sections. Places, Spaces, and Changing Faces offers information on some of the cities and clubs that contributed to the growth of jazz, from New York's Savoy Ballroom to New Orleans' Anderson's Annex. Jazz Lounge outlines basic musical features and characteristics of jazz rhythm and melody and describes seven major strains of jazz from New Orleans to Bebop. Jazz in Time features a generally chronological history of the changes in jazz from antebellum America through the Jim Crow period, the Depression, World War II, the sixties, and beyond and also provides a link to a history of women in jazz. Another link offers over 100 biographies of musicians.

Each entry includes a roughly 500-word essay that outlines the historical background, major figures in the shaping of jazz, and specific characteristics of the music in that section. The site contains close to 100 audio clips of music and interviews with historians and musicians who appeared in the documentary. About 20 of the interviews are also transcribed.

A virtual piano in the "Jazz Lounge" provides an interactive opportunity to learn about and practice basic jazz techniques. There is also a section about the making of the documentary that includes information on the show's producer, Ken Burns. This site is ideal for researching American cultural history and the history of American music.

This virtual museum contains resources focused on Toledo and Northwest Ohio's history from the late 19th through the late 20th centuries. The site is broken into seven content areas—Tour Toledo, Essays, New Media, Exhibits, Resources, Social Media, and Links—each of which contain photographs and other sources. In the "Tour Toledo" section, visitors have the option to virtually explore the city by investigating historic sites such as churches or hotels, or past structures that once dotted the city's landscape. The section also contains a timeline tracing Toledo's role in American history from 1801 to 1984.

In the "Essays" section, browse more than 35 historical essays, which focus on topics ranging from architecture to labor history. The majority of these essays include primary sources and images, which could be used in the classroom.

The "New Media" and "Exhibit" sections offer a more hands-on presentation of Toledo history. In the "New Media" section, visitors can explore more than 70 interactive media exhibits, from slideshows to flash presentations, on a number of topics. The "Exhibits" section currently offers four virtual tours of exhibitions on industry, medicine, steelworks, and glass production.

"Resources," "Links," and "Social Media" all contain lists of other resources relating to Ohio history. Be sure to peruse the first two sections for links to dozens of local libraries, archives, and historical societies and their digital collections. The "Social Media" section provides a gateway to more than 10 social networking sites specific to either Toledo or Ohio state history.

Overall, Toledo's Attic is a gold mine for the history of this Ohio city.

This exhibit offers more than 30 images of the riverboats, captains, staff, and musicians who helped to entertain the public with riverboat jazz and dance music from the turn of the 20th century to the 1960s. Images include musicians like Pete Fountain and Fate Marable's New Orleans Band, as well as riverboats like the S.S. President and several of the Streckfus Riverboat vessels. The Streckfus company helped to popularize the concept of riverboat cruises with dance music.

Each image is accompanied by a 250-word descriptive caption, as well as information on the location of the original image. There is no table of contents or index making it difficult to find images on specific subjects or persons, but this site is useful for providing illustrations and background information on the history of jazz and popular culture in the first half of the 20th century.