The stages of the process of creating חב”ד חסידות. Yechidus, what it was about. The first and second etc. Forty years, thirty years twenty five years (it depends on the perspective). The חדרים. Two and later a third. The spoken Tanya from 29 Elul 5549 until 9 Kislev 5552. The written Tanya, קונטרסים. The deliberate forgery. The rewritten and printed Tanya.
