There is 13 more manuscripts available In the virtual Library Codices Electronici Sangallenses (CESG), among them important codices with neumatic notation including Cantatorium – the earliest complete extant musical manuscript in the world (922 – 925):
- Codex 338 – Computus, Breviarium, Graduale, Sakramentar (1050-1060) Graduale is on folios 36 – 317
- Codex 359 – Cantatorium (922 – 925), 170 pages
- Codex 361 – Graduale 12th century, 142 pages
- Codex 374 – Graduale, Lektionar half of 11th century, 845 pages (Graduale 176)
- Codex 381 – Versicularium, Hymnar, Tropar, Sequentiar (930) – 498 pages
- Codex 382 – Tropar, Versicularium, Sequentiar 11., 13. – 14. century, 270 pages
- Codex 383 – Sequentiae. Hymni 13. – 14. century, 176 pages, quadratnotation
- Codex 388 – Antiphonar 12., 14. century, 498 pages, quadratnotation
- Codex 413 – Breviar 11. – 14. century, 702 pages
- Codex 414 – Breviar 11. – 14. century, 666 pages
- Codex 484 – Tropar 10. century, 320 pages
- Codex 546 – Collectio S. Gallensis troporum et sequentiarum 1507, 820 pages, quadratnotation
Older (updated) post about St. Galler manuscripts is here.