Chain of command for air defense in the Tokyo metropolitan district as it actually operated. Report No. 11j(6), USSBS Index Section 2

Theoretic organization of air-defense headquar-ters, Tokyo, as established by law. Report No. 11j(3), USSBS Index Section 2

Administrative relationship between Tokyo metropolitan district and its political subdivi-sions. Report No. 11j(2), USSBS Index Section 2