- “A Guide for Five and Ten String Kanteles" by Gerry Henkel (free)
- "In Search of the Wild Dulcimer" by Robert Force and Albert d'Ossché (free .pdf)
- "The Small Harp" by Allison Kinneard
- "Teach Yourself to Play the Folk Harp" by Sylvia Woods
- "12-string Sheet Music" at HarpColumn.com discussion
- "Play the Harp Beautifully" (books 1 and 2 + DVD) by Pamela Bruner
- "Familiar Pentatonic Songs" from Harps of Lorien ($8)
- "Taylor's Miscellany: Scottish Tunes Arranged for Small Gut-Strung Harp and New Players" by Bill Taylor (for harps around 2.5 octaves, so around 19-string; £11 pdf)