Numbers 8:15

and afterwards do the Levites come in to serve the tent of meeting, and thou hast cleansed them, and hast waved them -- a wave-offering.

Numbers 8:11

and Aaron hath waved the Levites -- a wave-offering before Jehovah, from the sons of Israel, and they have been -- for doing the service of Jehovah.

Numbers 8:13

and thou hast caused the Levites to stand before Aaron, and before his sons, and hast waved them -- a wave-offering to Jehovah;

Exodus 29:24

And thou hast set the whole on the hands of Aaron, and on the hands of his sons, and hast waved them -- a wave-offering before Jehovah;

Numbers 3:12

'And I, lo, I have taken the Levites from the midst of the sons of Israel instead of every first-born opening a womb among the sons of Israel, and the Levites have been Mine;

Numbers 3:23-37

The families of the Gershonite, behind the tabernacle, do encamp westward.

Numbers 4:3-32

from a son of thirty years and upward, even till a son of fifty years, every one going in to the host, to do work in the tent of meeting.

1 Chronicles 23:1-32

And David is old, and satisfied with days, and causeth his son Solomon to reign over Israel,

1 Chronicles 25:1-26

And David and the heads of the host separate for service, of the sons of Asaph, and Heman, and Jeduthun, who are prophesying with harps, with psalteries, and with cymbals, and the number of the workmen is according to their service.

Treasury of Scripture Knowledge

Summary

And after that shall the Levites go in to do the service of the tabernacle of the congregation: and thou shalt cleanse them, and offer them for an offering.

Bible References

Go in

Numbers 8:11
and Aaron hath waved the Levites -- a wave-offering before Jehovah, from the sons of Israel, and they have been -- for doing the service of Jehovah.
Numbers 3:23
The families of the Gershonite, behind the tabernacle, do encamp westward.
Numbers 4:3
from a son of thirty years and upward, even till a son of fifty years, every one going in to the host, to do work in the tent of meeting.

And offer

Numbers 8:11
and Aaron hath waved the Levites -- a wave-offering before Jehovah, from the sons of Israel, and they have been -- for doing the service of Jehovah.
Numbers 3:12
'And I, lo, I have taken the Levites from the midst of the sons of Israel instead of every first-born opening a womb among the sons of Israel, and the Levites have been Mine;