וּבְכָל־בְּהֵמָ֛ה לֹא־תִתֵּ֥ן שְׁכָבְתְּךָ֖ לְטָמְאָה־בָ֑הּ וְאִשָּׁ֗ה לֹֽא־תַעֲמֹ֞ד לִפְנֵ֧י בְהֵמָ֛ה לְרִבְעָ֖הּ תֶּ֥בֶל הֽוּא׃
And thou shalt not lie with any beast to defile thyself therewith; neither shall any woman stand before a beast, to lie down thereto; it is perversion.
Find Mishnaic references to Leviticus 18:23: , passages from the 63 tractates of the Mishnah.