Exodus 29:1-9,19-35
And this is the thing that you shall do to them to hallow them, to minister to me in the priest's office: Take one young bullock, and two rams without blemish,
Nave's Topical Index—AKJV

Exodus 40:12-16
And you shall bring Aaron and his sons to the door of the tabernacle of the congregation, and wash them with water.
Nave's Topical Index—AKJV

Leviticus 6:20-23
This is the offering of Aaron and of his sons, which they shall offer to the LORD in the day when he is anointed; the tenth part of an ephah of fine flour for a meat offering perpetual, half of it in the morning, and half thereof at night.
Nave's Topical Index—AKJV

Leviticus 8:6-35
And Moses brought Aaron and his sons, and washed them with water.
Nave's Topical Index—AKJV

Hebrews 7:21
(For those priests were made without an oath; but this with an oath by him that said to him, The Lord swore and will not repent, You are a priest for ever after the order of Melchisedec:)
Nave's Topical Index—AKJV