וַיִּרְאוּ֙ כָּל־הָ֣עֵדָ֔ה כִּ֥י גָוַ֖ע אַהֲרֹ֑ן וַיִּבְכּ֤וּ אֶֽת־אַהֲרֹן֙ שְׁלֹשִׁ֣ים י֔וֹם כֹּ֖ל בֵּ֥ית יִשְׂרָאֵֽל׃ (ס)
And when all the congregation saw that Aaron was dead, they wept for Aaron thirty days, even all the house of Israel.
Find Mishnaic references to Numbers 20:29: , passages from the 63 tractates of the Mishnah.