Lag B'Omer Shiur 5785 @ the STL Community Kollel

Shiur given about the 13 years of RaShB'I in the cave by Rabbi Kowalsky. Source sheets are available at: https://drive.google.com/file/d/1gglev_pkWDOIBLyswLqHYNIXuqKIsYnq/view?usp=drive_link