File contains the manuscript for Alberto Jonàs' "Novelette" for piano, which he wrote for Ellen Ballon. Ballon was one of his students in New York from c. 1916 until 1925.
Item is a copy of Joseffy's composition, dedicated to his friend Moriz Rosenthal, and inscribed to Ellen Ballon. File includes a copy of handwritten piano scale exercises, presumably by Joseffy for Ballon.
Item is one of two copies of the first and second bassoon parts for Heitor Villa Lobos' first piano concerto, dedicated to Ellen Ballon. The parts were copied by Henrique Martins. This part was used by the second bassoonists.
Item is one of two copies of the first and second bassoon parts for Heitor Villa Lobos' first piano concerto, dedicated to Ellen Ballon. The parts were copied by Henrique Martins. This part was used by the first bassoonists.