Leviticus 3:2
And he shall lay his hand on the head of his offering, and kill it at the door of the tabernacle of the congregation: and Aaron's sons the priests shall sprinkle the blood on the altar round about.
Torrey's Topical Textbook—AKJV

Leviticus 8:13
And Moses brought Aaron's sons, and put coats on them, and girded them with girdles, and put bonnets on them; as the LORD commanded Moses.
Torrey's Topical Textbook—AKJV