Cross reference
Deuteronomy 31:24
24 Now after writing all the words of this law in a book till the record of them was complete,
Deuteronomy 31:9
9 Then Moses put all this law in writing, and gave it to the priests, the sons of Levi, who take up the ark of the Lord's agreement, and to all the responsible men of Israel.
Deuteronomy 17:18
18 And when he has taken his place on the seat of his kingdom, he is to make in a book a copy of this law, from that which the priests, the Levites, have in their care: