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
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