依美軍指令，這些日裔美人在撤離前必須進行登記手續

出處: Lange, Dorothea, photographer. "San Francisco, Calif., Apr. 1942--Residents, of Japanese Ancestry, Appearing at the Civil Control Station for Registration in Response to the Army's Exclusion Order No. 20--The Evacuees Will Be Housed in War Relocation Authority Centers for the Duration." April, 1942. Prints and Photographs Division, Library of Congress.