וַיִּכְתֹּ֣ב מֹשֶׁה֮ אֶת־הַתּוֹרָ֣ה הַזֹּאת֒ וַֽיִּתְּנָ֗הּ אֶל־הַכֹּהֲנִים֙ בְּנֵ֣י לֵוִ֔י הַנֹּ֣שְׂאִ֔ים אֶת־אֲר֖וֹן בְּרִ֣ית יְהוָ֑ה וְאֶל־כָּל־זִקְנֵ֖י יִשְׂרָאֵֽל׃
And Moses wrote this law, and delivered it unto the priests the sons of Levi, that bore the ark of the covenant of the LORD, and unto all the elders of Israel.
Find Talmudic references to Deuteronomy 31:9: , passages from the Talmud Bavli and Yerushalmi.