Megillah 9b: Can You Have Two High Priests Serving Together? Gemarah Megillah #22

When You Can Build a Personal Altar at Your Home For Source Sheets: https://www.theyeshiva.net/jewish/7390 Dedicated by Baruch Yosef Markoff, in the loving memory, merit and l'ilui nishmat, of his grandmother, Rose bas Roiba, who's yartzheit is on the 1st of Adar