Numbers 3:7

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

Numbers 1:50

but appoint thou the Levites over the tabernacle of the testimony, and over all the furniture thereof, and over all that belongeth to it: they shall bear the tabernacle, and all the furniture thereof; and they shall minister unto it, and shall encamp round about the tabernacle.

Numbers 8:11

and Aaron shall offer the Levites before Jehovah for a wave-offering, on the behalf of the children of Israel, that it may be theirs to do the service of Jehovah.

Numbers 8:15

And after that shall the Levites go in to do the service of the tent of meeting: and thou shalt cleanse them, and offer them for a wave-offering.

Numbers 3:32

And Eleazar the son of Aaron the priest shall be prince of the princes of the Levites, and have the oversight of them that keep the charge of the sanctuary.

Numbers 8:24-26

This is that which belongeth unto the Levites: from twenty and five years old and upward they shall go in to wait upon the service in the work of the tent of meeting:

Numbers 31:30

And of the children of Israel's half, thou shalt take one drawn out of every fifty, of the persons, of the oxen, of the asses, and of the flocks, even of all the cattle, and give them unto the Levites, that keep the charge of the tabernacle of Jehovah.

1 Chronicles 23:28-32

For their office was to wait on the sons of Aaron for the service of the house of Jehovah, in the courts, and in the chambers, and in the purifying of all holy things, even the work of the service of the house of God;

1 Chronicles 26:20

And of the Levites, Ahijah was over the treasures of the house of God, and over the treasures of the dedicated things.

1 Chronicles 26:22

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

1 Chronicles 26:26

This Shelomoth and his brethren were over all the treasures of the dedicated things, which David the king, and the heads of the fathers houses , the captains over thousands and hundreds, and the captains of the host, had dedicated.

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
but appoint thou the Levites over the tabernacle of the testimony, and over all the furniture thereof, and over all that belongeth to it: they shall bear the tabernacle, and all the furniture thereof; and they shall minister unto it, and shall encamp round about the tabernacle.
Numbers 8:11
and Aaron shall offer the Levites before Jehovah for a wave-offering, on the behalf of the children of Israel, that it may be theirs to do the service of Jehovah.

American Standard Version Public Domain