This collection of primary and secondary sources explores the history of Spanish expansion into North America from Florida, Georgia, and the Carolinas; across the modern-day American West; and north to Alaska. There are more than 200 primary sources, including numerous texts, 118 maps, manuscripts, and first-hand accounts, all written between 1492 and 1898. Some of the highlights include La Florida del Inca, an account of the Hernando de Soto expedition through Florida and the southeastern part of North America, along with the Notes of a Military Reconnaissance from Fort Leavenworth to San Diego, published in 1848 as a special report to the United States Congress. All documents are available in English and many of the documents are available in Spanish, as well. The collection is searchable by keyword and title and can be browsed. These documents are valuable for understanding Spanish-North American interaction.

A complement to the four-hour PBS television series, this site presents unseen footage of World War II, the first war recorded primarily on color film. It brings the wartime experience of Americans on the battlefield and home front vividly to life through original color film clips and photographs. The site is divided into four main areas, including Battlefield, Psychology of War, the Home Front, and Social Aspects. Each section allows visitors to navigate through the different subtopics, read excerpts from diaries and letters, view nearly 250 photographs available for the first time, and watch rare color film clips of the period.

"Battlefield" includes homage to Pearl Harbor as well as film footage of covert American operations. "Psychology of War" contains a section entitled "The Atomic Option" that presents a video montage of images of an atomic bomb dropping on Nagasaki, Japan. Within this section, there is also a video of a Jewish Ghetto in Warsaw, Poland. "Homefront" includes five subsections, including censorship and migration. "Social Aspects" includes African Americans, Asians, Women, and Anti-Semitism. The footage of German American youth in New Jersey in the 1940s marching with fascist flags is very compelling. Visitors will also find an interactive timeline, essays on rediscovering the film footage, and a teaching guide for educators Those interested in this unforgettable period of history will find this site instructive.

This compelling, well-designed site offers a rare glimpse into the World War II experiences of Japanese Americans in two Arkansas internment camps. A series of 30 photographs illuminates the daily lives of inmates at school, in a clinic, working at a sawmill. Physical conditions in the camp are captured effectively by several aerial views. Three QuickTime Virtual Reality (QTVR) images that allow for 360-degree ground-level views are equally impressive. These photographs are supported by an in-depth timeline of events, an interactive map, and an extensive education section providing links to resources hosted by other sites.

The U.S. Army Yellow Fever Commission demonstrated in 1900 that the mosquito transmitted yellow fever. This archive is an extensive compilation of 5,500 items related to the Commission's findings. Documents span from 1850 to 1966 and include correspondence, reports, photographs, and artifacts. The site is organized into sections pertaining to six key individuals: Walter Reed, Jesse W. Lazear, Henry Rose Carter, Jefferson Randolph Kean, Albert E. Truby, and Philip S. Hench. Each section includes an introduction (800 to 1,000 words) and is searchable by date, series, subject, or keyword.

In addition, there is a 4,800-word essay entitled "United States Army Yellow Fever Commission." The Walter Reed Series (1874-1936) and the Reed Family Additions (1877-1902) comprise Reed's original letters concerning his seminal work with yellow fever in Cuba. The Jesse Lazear Series and Henry Rose Carter Series, which span from the 1860s to 1930s detail the men's involvement with the Yellow Fever Commission in Cuba and their careers in public health. The other series include personal and professional correspondence and research during the period of the Yellow Fever Commission's work in Cuba. A separate section entitled "Books" contains a first edition biography of Walter Reed and a 1941 version of Walter Reed, Doctor in Uniform, a biography for young adults. "Highlights" comprises a sampling of 30 unique documents, many of which comment on the importance of the Cuban American relationship. Those interested in exploring the history of medicine and science, social history, military history, public health policy, tropical medicine, and biomedical ethics will find this site of great interest.

This website serves as an introduction to the Abraham Lincoln Presidential Library and Museum in Springfield, IL.

In addition to logistical information on visiting the library and museum (including floor plans, photographs, tips on planning school visits, exhibit information, and archival collection descriptions especially useful for researchers), the website also presents a substantial amount of digital material on Lincoln's life and times and Illinois history more generally.

New users may want to begin with an extensive timeline documenting major events in Lincoln's life. Teachers will be especially interested in the resources available in the website's Education section, which includes extensive guides to teaching the Gettysburg Address, teaching with objects, women's history, African American history, and celebrating Christmas at the White House.

The website also includes a Boys in Blue database of many Illinois soldiers who fought for the Union during the Civil War, as well as an oral history project documenting the lives of Illinois citizens from all walks of life. Current topics include war veterans and agriculture, with plans to include hundreds more interviews on statecraft, war and terror, family memories, and African American history.

A national repository for the preservation of historical papers, audiovisual materials, and artifacts related to Dwight Eisenhower, this site presents materials relating to his life and accomplishments. This collection indexes more than 675,000 feet of motion picture film, most of which document the years Eisenhower spent as president, but does not present the film. The site indexes more than 100 audio files that cover the years 1953 to 1958. In addition, the site includes full-text transcripts of Eisenhower's presidential speeches (nearly 400 pages of speeches in PDF format), and more than 75 photographs. The site includes six paintings made by Eisenhower. For educators, the site includes three lesson plans, including World War II Spy Kit: The Great Nazi Intelligence Coup, where students analyze primary sources and play a historical "what-if" game about the United States' preparations for the D-Day invasion. The site provides access to a limited number of primary or secondary sources.

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.

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 nearly 3,500 photographs taken at Hampton Roads Port of Embarkation in Newport News, VA, where more than 1.5 million people arrived and departed during 1942-1946. The photographs were shot for the Army's Transportation Corps by U.S. Army Signal Corps photographers. In addition to military personnel, photos present civilian employees, Red Cross workers, wounded persons, entertainers, and German and Italian prisoners of war. In addition to Hampton Roads, seven photos were taken in Baltimore; one was shot in Chicago. Bibliographic records describe the images with information on persons, location, and date.

A special group of 34 images with descriptive captions document "The Odyssey of an American Soldier" from his arrival at Hampton Roads to his debarkation near a combat zone. Users can search images by personal name, ship name, geographic location, and keywords used in bibliographic records. Valuable for those studying military history and life at this key transportation site.