___Bela Bartok. a Research and Information Guide (Ed. Antokoletz&Susanni) (Routledge, 2011)

Ultan, Llloyd - Problems and Practices in the Middle Ages and Rennaissance (University of Minnesota, 1977)

Antonio Carlos Jobim For Fingerstyle Guitar.pdf

Ultan, Lloyd - Music Theory. Problems and Practices in the Middle Ages and Renaissance (University of Minnesota,

Goodman, Karen - Music Therapy Education and Training (Charles Thomas Publisher, 2011)

Sextus Empiricus - Against the Musicians (Ed. Denis Greaves) (University of Nebraska Press, 1986)