The collection consists of three manuscripts by Bela Bartok, 1940-1943. These manuscripts totalling approximately 2,170 pages are as follows: 1) Romanian Folk Music - Vol. 1 Instrumental Melodies, Vol. 2 Vocal Melodies, Vol. 3 Texts; 2) Turkish Folk Music; and 3) Serbo-Croatian Table of Materials. Also, a small group of letters by Bartók and other concerning his association with Columbia University.