[1] 24_568.pdf, https://www.jstage.jst.go.jp/article/johokanri/24/6/24_568/_pdf
[2] JIS C 6225 が使われた >>1
[3] JIS C 6226 が GL - GL で、 外字が GR - GL (の16区以降) で使われた。 >>1
[7] Wayback Machine, https://web.archive.org/web/20060910185214/http://www.ndl.go.jp/jp/library/data/jmarc2006.pdf
[8] Wayback Machine, https://web.archive.org/web/20060910032715/http://www.ndl.go.jp/jp/library/data/JM2006revision.pdf
[6] sk01109.pdf, , http://repo.beppu-u.ac.jp/modules/xoonips/download.php?file_id=2538
[9] Wayback Machine, https://web.archive.org/web/20120417132915/http://www.ndl.go.jp/jp/library/data/jmarc2009.pdf
[10] Wayback Machine, https://web.archive.org/web/20120621133632/http://ndl.go.jp/jp/library/data/jm2009revision.pdf
[11] LIS020117.pdf, , http://lis.mslis.jp/pdf/LIS020117.pdf
[12] 29_939.pdf, https://www.jstage.jst.go.jp/article/johokanri/29/11/29_11_939/_pdf
[13] >>12 JAPAN/MARC 外字を扱うための MS-DOS シフトJIS 対応
[14] JAPAN/MARC関連ツール, , https://masao.jpn.org/software/jmarcfilter/
[15] >>14 JAPAN/MARC 外字のうち一部ラテン文字だけ変換してる、 JIS X 0207 制御機能は除去
[18] 37_KJ00002309435.pdf, https://www.jstage.jst.go.jp/article/jkg/37/9/37_KJ00002309435/_pdf/-char/ja
[19] Wayback Machine, https://web.archive.org/web/20120622063410/http://ndl.go.jp/jp/library/data/pdf/non_unicode_mojilist.pdf
[4] JAPAN/MARC MARC21フォーマットマニュアル - JAPANMARC_MARC21manual_A.pdf, , http://cldj.jp/shisho/libcat/2021/05/data/JAPANMARC_MARC21manual_A.pdf