Correspondence: Gerig Musikverlag to Verdina Shlonsky (manuscript). December 17, 1976; March 25, 1977; January 1, 1980.

The National Library of Israel — Ktiv (IMHM) · אַרײַנגעלייגט דעם 14טן יוני 2026 · רעגיסטער געשיכטע — Correspondence: Gerig Musikverlag to Verdina Shlonsky (manuscript). December 17, 1976; March 25, 1977; January 1, 1980. — The National Library of Israel (Ktiv/IMHM), recordid 990035710280205171. Consulté le 11 juin 2026. · באַהיטער, נישט באַזיצער