Kullak, Theodor. The School of Octave Playing, Section One – Preliminary School. New York: G. Schirmer, c. 1898. [36 pages; 2 copies]

Kullak, Theodor. The School of Octave Playing, Section One – Preliminary School. New York: G. Schirmer, c. 1898. [36 pages; 2 copies], 6.11.5, Box: 11, Folder: 5.0. Vanett Lawler UNESCO papers, 0094-SCPA. Michelle Smith Performing Arts Library. https://archives.lib.umd.edu//repositories/4/archival_objects/89195 Accessed May 04, 2024.