Klausenberger Rebbe Asserting an Obligation to Study Torah on 9 Av

שו"ת דברי יציב אורח חיים סימן ר"מ 8 Av 5742 (1982)

What if there's an obligation to learn Torah on Tisha B'Av? That's what the Klausenberger Rebbe thought. What would make him think that?

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