The General Staff of the U.S. Army made the decision to allow native born Japanese Americans to volunteer and serve in a segregated unit. There was also input from Assistant Secretary of War, John J. McCloy and others from the government who were in favor of creating a combat unit of Japanese Americans. Other organizations such as the Japanese American Citizens League (JACL) also lobbied the government to allow Japanese Americans to serve in the armed forces.

In 1943, Ansel Adams (1902-1984), America's most well-known photographer, documented the Manzanar War Relocation Center in California and the Japanese-Americans incarcerated there during World War II.

The Library of Congress has created a website about Immigration and Relocation in U.S. History, including the experiences of Japanese Americans.

During World War II, 120,000 Japanese Americans and residents of Japanese descent were incarcerated as a result of Federal Executive Order 9066. While incarceration of Japanese Americans was primarily a Federal action, the California state agencies had a significant role in the removal process.

Online exhibitions use the primary sources available in the California State University Japanese American Digitization Project to tell the story of the Japanese American experience during the 20th century and beyond.

The CSU campuses have collaborated on this project to cover the history of Japanese Americans. The topics cover an enormous range of subjects central to Japanese-American life before, during and after World War II, including immigration, the California Alien Land Acts of 1913 and 1920, the War Relocation Authority (WRA), organizations supporting Japanese Americans, redress, Japanese Peruvians, hostage exchanges on the S.S. Gripsholm, sports, and the U.S. Army's 442nd Regimental Combat Team.

Densho preserves and shares the history of the WWII incarceration of Japanese Americans to promote equity and justice today. Densho documents the testimonies of Japanese Americans who were unjustly incarcerated during World War II before their memories are extinguished.

Go For Broke National Education Center (GFBNEC) educates the public on the valor of Japanese American veterans of World War II and their contributions to our nation.

The Museum of the City of San Francisco has compiled links to newspaper articles published during wartime and provided links to other resources on the internment of Japanese Americans

The National Japanese American Historical Society's collection contains images related to the planning, design and construction of sites of Japanese American confinement during World War II, specifically the sites named Relocation Centers. These were ten semi-permanent sites located in isolated areas of the western United States and Arkansas. The collection includes three types of images: 1) architectural drawings, and 2) engineering plans or maps, 2), objects from the National Japanese American Historical Society's collection.

UC Berkeley Bancroft Library's documentation of the Japanese American experience during World War II includes over 530,000 primary source materials drawn from an extensive collection of manuscripts and photographs.

The Japanese American Exhibit and Access Project was created in 1997 to provide access to University of Washington Libraries projects related to the incarceration of Japanese Americans during World War II.

This Washington State University digital collection of materials related to the Japanese American incarceration revolves around a handful of collections donated by individuals and families closely tied to the incarceration experience.

The mission of the Japanese American National Museum is to promote understanding and appreciation of America’s ethnic and cultural diversity by sharing the Japanese American experience.

The Japanese American Relocation Digital Archives (JARDA) contains thousands of primary sources documenting Japanese American internment, including: Personal diaries, letters, photographs, and drawings; US War Relocation Authority materials, including camp newsletters, final reports, photographs, and other documents relating to the day-to-day administration of the camps; And personal histories documenting the lives of the people who lived in the camps, as well as of the administrators who created and worked there.

The Japanese American National Museum, a Smithsonian affiliate in Los Angeles, presents personal accounts of the internment in an online exhibition, "Dear Miss Breed: Letters from Camp".

Teacher resources for lessons on the Japanese American incarceration during WW II.

"Manzanar: The Wartime Photographs of Ansel Adams" presented at the Skirball Cultural Center in association with the Japanese American National Museum, the exhibition featured fifty photographs by Adams of the Japanese American concentration camp in Manzanar, California, during World War II. These photographs were the subject of Adams’s controversial book Born Free and Equal, published in 1944 while war was still being waged.

This exhibit showcases Manzanar National Historic Site and its collections that tell the often painful story of incarceration. Three distinct eras are represented; Paiute people inhabiting the area of Manzanar from 600 to the early 1900s; the early ranching and farm period of 1860-1930; and the War Relocation Center which confined more than 100,000 Japanese Americans from 1942-1945. The collections include objects, historic photographs, paintings, and documents that reflect life at Manzanar, a small parcel of high desert in California’s Eastern Sierra region.

2021 marks the 75th anniversary of artist Miné Okubo’s graphic memoir, Citizen 13660. When it was first published in 1946, it was groundbreaking. Not only was it the first book-length account on America’s concentration camps from the perspective of a former incarceree, but it was also an early example of a graphic memoir. In Citizen 13660, through a series of nearly 200 illustrations, each accompanied by a caption, Miné Okubo captured how World War II and the subsequent incarceration upended her life.

This site explores a period of U.S. history when racial prejudice and fear upset the delicate balance between the rights of a citizen versus the power of the state. Focusing on the experiences of Japanese Americans who were placed in concentration camps during World War II, this exhibit is a case study in decision-making and citizen action under the U.S. Constitution.

NPR's story of three different photographers' depictions of the internment experience. Dorothea Lange, Ansel Adams, and Toyo Miyatake photographed the camps with differing results.

Fred Korematsu was a courageous American of Japanese descent who defied the U.S. government's unconstitutional incarceration of Japanese Americans during WWII.

The University of Arizona has created this website about the internment camps in Arizona with digitized photos, the text of Executive Order No. 9066, and links for further research.

The Texas State Historical Association provides information about the internment camps in Texas. Texas had three of them, located at Seagoville, Kenedy, and Crystal City. Prisoners included Japanese Americans arrested by the FBI, members of Axis nationalities residing in Latin-American countries, and Axis sailors arrested in American ports after the attack on Pearl Harbor.