וַיִּֽטַּהֲר֔וּ הַכֹּהֲנִ֖ים וְהַלְוִיִּ֑ם וַֽיְטַהֲרוּ֙ אֶת־הָעָ֔ם וְאֶת־הַשְּׁעָרִ֖ים וְאֶֽת־הַחוֹמָֽה׃
And the priests and the Levites purified themselves; and they purified the people, and the gates, and the wall.
Find Talmudic references to Nehemiah 12:30: , passages from the Talmud Bavli and Yerushalmi.