Leviticus 1:1-6:30
And the LORD called to Moses, and spoke to him out of the tabernacle of the congregation, saying,
Torrey's Topical Textbook—AKJV

2 Chronicles 29:34
But the priests were too few, so that they could not flay all the burnt offerings: why their brothers the Levites did help them, till the work was ended, and until the other priests had sanctified themselves: for the Levites were more upright in heart to sanctify themselves than the priests.
Torrey's Topical Textbook—AKJV

2 Chronicles 35:11
And they killed the passover, and the priests sprinkled the blood from their hands, and the Levites flayed them.
Torrey's Topical Textbook—AKJV