A Lag Ba’omer Letter (5771). This letter was written by the Rebbe in IYAR 5711. It explains what Kabbala and Chassidus are about: Unity. Unity within the individual is a first step to ultimate unity in the whole world.
To donate or for dedications to continue the holy work
לנדבות והקדשות להמשיך את עבודת הקודש
https://square.link/u/czg46iBz