| M125–M129 | Guitar alone: |
| M125 | Collections (more than one composer) |
| M126 | Original works: Collections (one composer) |
| M127 | Original works: Separate |
| M128 | Arrangements: Collections (one composer) |
| M129 | Arrangements: Separate works |
| M276–M277 | Guitar with piano accompaniment: |
| M276 | Collections |
| M277 | Separate works |
| M292–M293 | Duets for two plucked instruments (of all kinds): |
| M292 | Collections |
| M293 | Separate works |
| M294–M295 | Duets—one stringed and one plucked instrument |
| M296–M297 | Duets—one wind and one plucked instrument |
| M325–M329 | Piano and two plucked instruments |
| M330–M334 | Piano, one string, and one plucked instrument |
| M335–M339 | Piano, one wind, and one plucked instrument |
| M365–M369 | Three plucked instruments |
| M370–M374 | Three stringed and plucked instruments |
| M375–M379 | Three wind and plucked instruments |
| M380–M384 | Three stringed, wind, and plucked instruments |
Concertos and similar pieces
| M1037.4 .G8 | Guitar with orchestra: full scores, piano reductions, and cadenzas |
| M1137.4 .G8 | Guitar with string orchestra: full scores, piano reductions, and cadenzas |
Studies and methods
| MT580 | General works |
| MT582 | Systems and methods |
| MT583 | Teaching pieces |
| MT584 | Instructive editions |
| MT586 | Orchestral studies (excerpts) |
| MT587 | Two guitars |
| MT588 | Self-instructors |
| MT590–MT599 | Other instruments of the guitar family |
Classification Numbers for Books about the Guitar
| ML128 .G8 | Guitar bibliographies |
| ML1015.G9 | Other books |
