Treasury of Scripture Knowledge

Summary

These were the orderings of them in their service to come into the house of the LORD, according to their manner, under Aaron their father, as the LORD God of Israel had commanded him.

Bible References

The orderings

1 Chronicles 9:25
And their brothers, in the country places where they were living, were to come in every seven days to be with them from time to time.
2 Chronicles 23:4
This is what you are to do: let a third of you, of the priests and Levites, who come in on the Sabbath, keep the doors
1 Corinthians 14:40
Let all things be done in the right and ordered way.

Under aaron

1 Chronicles 24:1
Now the divisions into which the sons of Aaron were grouped were these: the sons of Aaron, Nadab and Abihu, Eleazar and Ithamar.
Hebrews 7:11
Now if it was possible for things to be made complete through the priests of the house of Levi (for the law was given to the people in connection with them), what need was there for another priest who was of the order of Melchizedek and not of the order of Aaron?

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain