טלגרם מהריי''ץ, חשיבות יום י''ט כסלו. ברוקלין תש''ח. - Explaining the importance of the 19th of Kislev this year being the 150th year since the Alte Rebbe was liberated from prison. ” In this connection, the Lubavitcher Rebbe Rabbi Joseph Issac Schneersohn, Issues a message to world Jewry to his numerous followers, in particular, calling for the strengthening in Torah study exoteric and esoteric devotion to prayer and the cultivation of character - Together with this message went a benediction for material and spiritual welfare”. Secretariat of the Lubavitch Rabbi  Benjamin Glazer 1775 Broadway Brooklyn, NY 1948