The Rebbe acknowledges receipt of the checks and highlights the connection between Mamad and Yud-Tes Kislev. He emphasizes the Rebbeim’s self-sacrifice for every Jew and the need to continue their charitable work. The Rebbe blesses the recipient’s efforts and includes Yud-Tes Kislev booklets and a general letter.
https://www.torahrecordings.com/rebbe/004_igros_kodesh/kislev/832