[1] bliss.qxp - n1866.pdf, 1998-12-18T21:57:09.000Z, 2022-01-04T04:03:16.160Z http://std.dkuug.dk/JTC1/SC2/WG2/docs/n1866.pdf

[2] n5130-blissymbols.qxp_bliss-proposal.qxp - 20140-n5130-blissymbols.pdf, 2020-05-13T15:15:54.000Z, 2022-01-04T04:03:33.742Z https://www.unicode.org/L2/L2020/20140-n5130-blissymbols.pdf

[3] 00000001.PDF - 169.pdf, 2022-11-02T03:16:28.000Z, 2022-12-10T06:17:52.718Z https://itscj.ipsj.or.jp/ir/169.pdf

[4] n4xxx-signwriting - 23138-n5228-blissymbols.pdf, 2023-06-21T14:40:05.000Z, 2023-06-22T04:36:42.936Z https://www.unicode.org/L2/L2023/23138-n5228-blissymbols.pdf