[1] [CITE[MARC 21 Format for Authority Data: Appendix A: Control Subfields (Network Development and MARC Standards Office, Library of Congress)]], [[Library of Congress Network Development and MARC Standards Office]], [TIME[2021-06-03T22:08:58.000Z]], [TIME[2022-12-11T13:01:41.678Z]] <https://www.loc.gov/marc/authority/ecadcntf.html>

[2] [[ISO/IEC 2022]] の[[図形文字集合]]の[[指示シーケンス]]の一部または
[[ISO 15924]] の[[用字系符号]]を使っています。

[3] [CITE[MARC 21 Format for Authority Data: Appendix C: Multiscript Records (Network Development and MARC Standards Office, Library of Congress)]], [[Library of Congress Network Development and MARC Standards Office]], [TIME[2011-02-11T22:33:44.000Z]], [TIME[2022-12-11T13:08:41.993Z]] <https://www.loc.gov/marc/authority/ecadmulti.html#modela>

[4] [CITE[JAPAN/MARC MARC21フォーマットマニュアル - JAPANMARC_MARC21manual_A.pdf]], [TIME[2021-04-07T10:33:42.000Z]], [TIME[2022-12-11T13:08:56.437Z]] <http://cldj.jp/shisho/libcat/2021/05/data/JAPANMARC_MARC21manual_A.pdf#page=7>