Mark O'Connor, Gillian Gallagher, and Rieko Aizawa, O'Connor Method: A New American School of String Playing (New York: Mark O'Connor Musik International, 2009 -) - violin, MT761 .O266 2009; viola, MT282 .O18 2009; cello, MT786 .O266 2009.
Crystal Plohman, Renata Bratt, and Bob Phillips, Fiddle & Song: A Sequenced Guide to American Fiddling (Van Nuys, CA: Alfred, 2017) - violin and piano accompaniment, MT279.5 .P56 2017; viola, MT282 .P56 2017; cello/bass, MT302 .P56 2017.
Traditional Celtic, Old Time, & Bluegrass Tune Book, compiled by Glenn Weiser, updated 24 June 2017.
The Session - A free website dedicated to traditional Irish music. You can find tunes, sessions, events, and discussions about music.