SCAPIN-1019: HANDLING OF OCCUPATION FORCE OFFICIAL BUSINESS OVER JAPANESE DOMESTIC TELEGRAPH CIRCUITS 1946/06/13

SCAPIN-912: BROADENING SCOPE OF SERVICES HANDLED OVER RADIO TELEGRAPH CIRCUITS BETWEEN TOKYO AREA, AND (1) UNITED STATES, AND (2) LONDON, ENGLAND, TO INCLUDE THE HANDLING OF OFFICIAL MESSAGES FOR GOVERNMENT REPRESENTATIVES 1946/04/30

SCAPIN-1877/1: PROCEDURE FOR HANDLING OFFICIAL UNITED STATES GOVERNMENT MESSAGES FILED AT TOKYO FOR TRANSMISSION OVER COMMERCIAL CIRCUITS 1949/03/03