[1] SCAPIN - Wikipedia () https://ja.wikipedia.org/wiki/SCAPIN
[2] SCAPIN1744/36 - History of Citizens Band Radio () https://sites.google.com/site/cb465mhz/amateur-radio/scapin1744-36
[4] Supreme Commander for the Allied Powers Directives to the Japanese Government (SCAPINs) | 憲政資料室の所蔵資料 | 国立国会図書館 () http://rnavi.ndl.go.jp/kensei/entry/SCA-1.php
[3] SCAPIN目次, , https://web.archive.org/web/20081222002212/http://www.geocities.jp/toaniuniu/shiryou/SCAPIN_index.html