Pesachim 5b - Mechirat Chametz Based on Person or Chametz's Location (Igrot Moshe) - Sep 16, 2020 - Pesachim 5b - Mechirat Chametz Based on Person or Chametz's Location (Plus Tangents about Rosh Hashana Tefillah)
Ari z"l vs Geonim for Long Viduy on Yom Kippur (and Rav Ovadia)
Birke Yosef - starting a fire on Yom Tov