Exodus 29:9

and thou shalt gird them with girdles, Aaron and his sons, and twist round for them caps, so shall they have priesthood by a statute age-abiding, - so shalt thou install, Aaron and his sons.

Numbers 18:7

But thou and thy sons with thee, shall keep the charge of your priesthood, as to every matter of the altar and as to the interior of the veil, and shall do the laborious work, as a laborious service of gifts, do I give your priesthood, and, the stranger who cometh near shall be put to death.

Leviticus 8:22-28

Then was brought near the second ram, the ram of installation, and Aaron and his sons leaned their hands upon the head of the ram;

Exodus 28:1

Thou thyself, therefore bring near unto thee - Aaron thy brother and his sons with him out of the midst of the sons of Israel, that they may minister as priests unto me, - Aaron, Nadab and Abihu, Eleazar and Ithamar sons of Aaron.

Exodus 28:40-41

And, for the sons of Aaron, shalt thou make tunics, and shalt make for them girdles, - and caps, shalt thou make for them, for glory and for beauty.

Exodus 32:29

And Moses said - Install yourselves to-day, unto Yahweh, yea every man for his son and for his brother, - so will he bestow upon you to-day, a blessing.

Exodus 40:15

and shalt anoint them as thou didst anoint their father, and they shall minister as priests unto me, - so shall their anointing remain to them for an age-abiding priesthood, to their generations.

Leviticus 8:33

And from the entrance of the tent of meeting, shall ye not go forth for seven days, until the day that filleth up the days of your installation, - because for seven days, will he install you:

Numbers 3:10

but unto Aaron, and unto his sons, shalt thou give oversight, so shall they keep charge of their priesthood, - and, the stranger who cometh near, shall be put to death.

Numbers 16:10

But having brought thee near, and all thy brethren the sons of Levi with thee, must ye seek priesthood also?

Numbers 16:35

Fire also came forth, from Yahweh, - and consumed the two hundred and fifty men, who offered the incense.

Numbers 16:40

a memorial unto the sons of Israel, That no stranger, who is not of the seed of Aaron, shall draw near to offer incense before Yahweh, - lest he become like Korah and like his assembly, As spake Yahweh by the hand of Moses with regard thereto.

Numbers 25:13

so shall it prove to be unto him and unto his seed after him, the covenant of our age-abiding priesthood, because he was jealous for his God, and did put a propitiatory-covering over the sons of Israel.

Deuteronomy 18:5

For of him, hath Yahweh thy God made choice out of all thy tribes, - to stand to minister in the name of Yahweh of him and his sons all the days.

Hebrews 5:4-5

And, not unto himself, doth one take the honour, but when called by God, just as, even Aaron:

Hebrews 5:10

Being addressed by God as high-priest - according to the rank of Melchizedek.

Hebrews 7:11-14

If indeed, therefore, there had been, a perfecting through means of the Levitical priesthood, - for, the people, thereon, have had based a code of laws, what further need, according to the rank of Melchizedek, for a different priest to be raised up, and, not according to the rank of Aaron, to be designated?

Hebrews 7:23-28

And, they, indeed, in greater numbers, have been made priests, because, by reason of death, are they hindered from remaining at hand;

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
Thou thyself, therefore bring near unto thee - Aaron thy brother and his sons with him out of the midst of the sons of Israel, that they may minister as priests unto me, - Aaron, Nadab and Abihu, Eleazar and Ithamar sons of Aaron.
Numbers 16:10
But having brought thee near, and all thy brethren the sons of Levi with thee, must ye seek priesthood also?
Numbers 18:7
But thou and thy sons with thee, shall keep the charge of your priesthood, as to every matter of the altar and as to the interior of the veil, and shall do the laborious work, as a laborious service of gifts, do I give your priesthood, and, the stranger who cometh near shall be put to death.
Hebrews 5:4
And, not unto himself, doth one take the honour, but when called by God, just as, even Aaron:
Hebrews 7:11
If indeed, therefore, there had been, a perfecting through means of the Levitical priesthood, - for, the people, thereon, have had based a code of laws, what further need, according to the rank of Melchizedek, for a different priest to be raised up, and, not according to the rank of Aaron, to be designated?