[1] [CITE[Glyph Bitmap Distribution Format ([[BDF]]) Specification - 5005.BDF_Spec.pdf]], [TIME[2021-02-18T01:31:12.000Z]], [TIME[2022-09-30T08:13:20.208Z]] <https://adobe-type-tools.github.io/font-tech-notes/pdfs/5005.BDF_Spec.pdf>

[2] [CITE@ja[itouh: BDFについて]], [TIME[2006-02-13T01:40:56.000Z]], [TIME[2023-08-05T07:33:07.655Z]] <http://hp.vector.co.jp/authors/VA013241/font/bdf.html>