Contains the following type(s) of materials: personnel documents, reports / studies, briefings. Contains information pertaining to the following war(s) and time period(s): World War II. Contains information pertaining to the following military unit(s) and organization(s): Gordon K. Hirabayashi hearings. General description of the collection: The Hirabayashi hearing material papers consist of hearings, reports, investigations etc. regarding Gordon K. Hirabayashi, a Japanese American, accused of spying, espionage, etc.during World War II. Materials cover Japanese intelligence gathering and espionage of Japanese both in America and abroad during World War II. This is a fascinating collection of intelligence and counterintelligence during World War II which is a real spy story.