Numbers 3:7

And they watched his watches, and the watches of all the assembly before the tent of appointment to do the work of the dwelling.

Numbers 1:50

And thou, set the Levites over the dwelling of testimony, and over all its vessels, and over all which is to it: they shall lift up the dwelling and all its vessels, and they shall serve it, and they shall encamp round about the dwelling.

Numbers 8:11

And Aaron lifted up the Levites, a lifting up before Jehovah, from the sons of Israel; and they were to serve the service of Jehovah.

Numbers 8:15

And after this the Levites shall go in to serve the tent of appointment: and cleanse them, and lift them up a lifting up.

Numbers 3:32

And the chief of the chiefs of the Levites, Eleazar, son of Aaron the priest, set over those watching the watches of the holy place.

Numbers 8:24-26

This is that to the Levites: from the son of five and twenty years and above, and he came in to war the warfare in serving the tent of appointment

Numbers 31:30

And from the sons of Israel's half thou shalt take one taking from fifty, from the men, from the oxen, from the asses, and from the sheep, from all the cattle, and give them to the Levites watching the watches of the dwelling of Jehovah.

1 Chronicles 23:28-32

For from their station at the hand of the sons of Aaron for the service of the house of Jehovah, upon the enclosures and upon the cells and for the cleansing to all the holy place and the works of the service of the house of God.

1 Chronicles 26:20

And the Levites, Ahijah over the treasures of the house of God, and for the treasures of the holies.

1 Chronicles 26:22

The sons of Jehieli: Zotham and Joel his brother, over the treasures of the house of Jehovah.

1 Chronicles 26:26

This Shelomith and his brethren ever all the treasures of the holies that David the king consecrated, and the heads of the fathers to the chiefs of the thousands and the hundreds, and the chiefs of the army.

Treasury of Scripture Knowledge

Summary

And they shall keep his charge, and the charge of the whole congregation before the tabernacle of the congregation, to do the service of the tabernacle.

Bible References

To do the

Numbers 1:50
And thou, set the Levites over the dwelling of testimony, and over all its vessels, and over all which is to it: they shall lift up the dwelling and all its vessels, and they shall serve it, and they shall encamp round about the dwelling.
Numbers 8:11
And Aaron lifted up the Levites, a lifting up before Jehovah, from the sons of Israel; and they were to serve the service of Jehovah.