Ezra 6:18
And they set the priests in their divisions, and the Levites in their divisions, for the service of God, which is at Jerusalem; as it is written in the book of Moses.
Numbers 3:6
Bring the tribe of Levi near, and present them before Aaron the priest, that they may minister unto him.
1 Chronicles 24:1
Now these are the divisions of the sons of Aaron. The sons of Aaron; Nadab, and Abihu, Eleazar, and Ithamar.
2 Chronicles 35:4-5
And prepare yourselves according to your fathers' houses, according to your divisions, according to the writings of David king of Israel, and according to the writings of Solomon his son.
Numbers 8:9-26
And you shall bring the Levites before the tabernacle of meeting: and you shall gather the whole assembly of the children of Israel together:
1 Chronicles 23:1-26
So when David was old and full of days, he made Solomon his son king over Israel.