Exodus 29:9

and hast girded them with a girdle (Aaron and his sons), and hast bound on them bonnets; and the priesthood hath been theirs by a statute age-during, and thou hast consecrated the hand of Aaron, and the hand of his sons,

Numbers 18:7

and thou, and thy sons with thee, do keep your priesthood, for everything of the altar, and within the vail, and ye have served; a service of gift I make your priesthood; and the stranger who is coming near is put to death.'

Leviticus 8:22-28

And he bringeth near the second ram, a ram of the consecrations, and Aaron and his sons lay their hands on the head of the ram,

Exodus 28:1

And thou, bring thou near unto thee Aaron thy brother, and his sons with him, from the midst of the sons of Israel, for his being priest to Me, even Aaron, Nadab, and Abihu, Eleazar and Ithamar, sons of Aaron;

Exodus 28:40-41

'And for the sons of Aaron thou dost make coats, and thou hast made for them girdles, yea, bonnets thou dost make for them, for honour and for beauty;

Exodus 32:29

and Moses saith, 'Consecrate your hand to-day to Jehovah, for a man is against his son, and against his brother, so as to bring on you to-day a blessing.'

Exodus 40:15

and anointed them as thou hast anointed their father, and they have acted as priests to Me, and their anointing hath been to be to them for a priesthood age-during, to their generations.'

Leviticus 8:33

and from the opening of the tent of meeting ye go not out seven days, till the day of the fulness, the days of your consecration -- for seven days he doth consecrate your hand;

Numbers 3:10

'And Aaron and his sons thou dost appoint, and they have kept their priesthood, and the stranger who cometh near is put to death.'

Numbers 16:10

yea, He doth bring thee near, and all thy brethren the sons of Levi with thee -- and ye have sought also the priesthood!

Numbers 16:35

and fire hath come out from Jehovah, and consumeth the two hundred and fifty men bringing near the perfume.

Numbers 16:40

a memorial to the sons of Israel, so that a stranger who is not of the seed of Aaron doth not draw near to make a perfume before Jehovah, and is not as Korah, and as his company, -- as Jehovah hath spoken by the hand of Moses to him.

Numbers 25:13

and it hath been to him and to his seed after him a covenant of a priesthood age-during, because that he hath been zealous for his God, and doth make atonement for the sons of Israel.'

Deuteronomy 18:5

for on him hath Jehovah thy God fixed, out of all thy tribes, to stand to serve in the name of Jehovah, He and his sons continually.

Hebrews 5:4-5

and no one to himself doth take the honour, but he who is called by God, as also Aaron:

Hebrews 5:10

having been addressed by God a chief priest, according to the order of Melchisedek,

Hebrews 7:11-14

If indeed, then, perfection were through the Levitical priesthood -- for the people under it had received law -- what further need, according to the order of Melchisedek, for another priest to arise, and not to be called according to the order of Aaron?

Hebrews 7:23-28

and those indeed are many who have become priests, because by death they are hindered from remaining;

Treasury of Scripture Knowledge

Summary

And thou shalt gird them with girdles, Aaron and his sons, and put the bonnets on them: and the priest's office shall be theirs for a perpetual statute: and thou shalt consecrate Aaron and his sons.

Bible References

The priest's

Exodus 28:1
And thou, bring thou near unto thee Aaron thy brother, and his sons with him, from the midst of the sons of Israel, for his being priest to Me, even Aaron, Nadab, and Abihu, Eleazar and Ithamar, sons of Aaron;
Numbers 16:10
yea, He doth bring thee near, and all thy brethren the sons of Levi with thee -- and ye have sought also the priesthood!
Numbers 18:7
and thou, and thy sons with thee, do keep your priesthood, for everything of the altar, and within the vail, and ye have served; a service of gift I make your priesthood; and the stranger who is coming near is put to death.'
Hebrews 5:4
and no one to himself doth take the honour, but he who is called by God, as also Aaron:
Hebrews 7:11
If indeed, then, perfection were through the Levitical priesthood -- for the people under it had received law -- what further need, according to the order of Melchisedek, for another priest to arise, and not to be called according to the order of Aaron?