Luke 1:8

And it came to pass, as he fulfilled his priestly service before God in the order of his course,

1 Chronicles 24:19

This is their ordering in their service to come into the house of Jehovah, according to their ordinance, through Aaron their father, as Jehovah the God of Israel had commanded him.

2 Chronicles 8:14

And he appointed, according to the ordinance of David his father, the divisions of the priests for their service, and the Levites for their charges, to praise and serve before the priests, as the duty of every day required; and the doorkeepers by their divisions at every gate: for such was the commandment of David the man of God;

2 Chronicles 31:2

And Hezekiah appointed the divisions of the priests, and the Levites after their divisions, every man according to his service, as well the priests as the Levites, for burnt-offerings and for peace-offerings, to serve and to give thanks and to praise in the gates of the courts of Jehovah.

Luke 1:5

There was in the days of Herod, the king of Judaea, a certain priest, by name Zacharias, of the course of Abia, and his wife of the daughters of Aaron, and her name Elizabeth.

Exodus 28:1

And thou shalt take thee Aaron thy brother, and his sons with him, from among the children of Israel, that he may serve me as priest Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron's sons.

Exodus 28:41

And thou shalt clothe with them Aaron thy brother, and his sons with him; and shalt anoint them, and consecrate them, and hallow them, that they may serve me as priests.

Exodus 29:1

And this is the thing which thou shalt do to them to hallow them, that they may serve me as priests: take one young bullock, and two rams without blemish,

Exodus 29:9

And thou shalt gird them with the girdle Aaron and his sons, and bind the high caps on them; and the priesthood shall be theirs for an everlasting statute; and thou shalt consecrate Aaron and his sons.

Exodus 29:44

And I will hallow the tent of meeting, and the altar; and I will hallow Aaron and his sons, that they may serve me as priests.

Exodus 30:30

And Aaron and his sons thou shalt anoint, and shalt hallow them, that they may serve me as priests.

Numbers 18:7

But thou and thy sons with thee shall attend to your priesthood for all that concerneth the altar, and for that which is inside the veil; and ye shall perform the service: I give you your priesthood as a service of gift, and the stranger that cometh near shall be put to death.

1 Chronicles 24:2

And Nadab and Abihu died before their father, and had no children; and Eleazar and Ithamar exercised the priesthood.

2 Chronicles 11:14

for the Levites left their suburbs and their possessions, and came to Judah and Jerusalem: for Jeroboam and his sons had cast them off from exercising the priesthood to Jehovah;

2 Chronicles 31:19

And for the sons of Aaron the priests who were in the country, in the suburbs of their cities, there were, in every several city, men expressed by name, to give portions to all the males among the priests, and to all the Levites that were entered in the register.

Ezra 6:18

And they set the priests in their classes, and the Levites in their divisions, for the service of God, which is at Jerusalem: as it is written in the book of Moses.

Treasury of Scripture Knowledge

Summary

And it came to pass, that while he executed the priest's office before God in the order of his course,

Bible References

He

Exodus 28:1
And thou shalt take thee Aaron thy brother, and his sons with him, from among the children of Israel, that he may serve me as priest Aaron, Nadab and Abihu, Eleazar and Ithamar, Aaron's sons.
Exodus 29:1
And this is the thing which thou shalt do to them to hallow them, that they may serve me as priests: take one young bullock, and two rams without blemish,
Exodus 30:30
And Aaron and his sons thou shalt anoint, and shalt hallow them, that they may serve me as priests.
Numbers 18:7
But thou and thy sons with thee shall attend to your priesthood for all that concerneth the altar, and for that which is inside the veil; and ye shall perform the service: I give you your priesthood as a service of gift, and the stranger that cometh near shall be put to death.
1 Chronicles 24:2
And Nadab and Abihu died before their father, and had no children; and Eleazar and Ithamar exercised the priesthood.
2 Chronicles 11:14
for the Levites left their suburbs and their possessions, and came to Judah and Jerusalem: for Jeroboam and his sons had cast them off from exercising the priesthood to Jehovah;

In

Luke 1:5
There was in the days of Herod, the king of Judaea, a certain priest, by name Zacharias, of the course of Abia, and his wife of the daughters of Aaron, and her name Elizabeth.
1 Chronicles 24:19
This is their ordering in their service to come into the house of Jehovah, according to their ordinance, through Aaron their father, as Jehovah the God of Israel had commanded him.
2 Chronicles 8:14
And he appointed, according to the ordinance of David his father, the divisions of the priests for their service, and the Levites for their charges, to praise and serve before the priests, as the duty of every day required; and the doorkeepers by their divisions at every gate: for such was the commandment of David the man of God;
2 Chronicles 31:2
And Hezekiah appointed the divisions of the priests, and the Levites after their divisions, every man according to his service, as well the priests as the Levites, for burnt-offerings and for peace-offerings, to serve and to give thanks and to praise in the gates of the courts of Jehovah.
Ezra 6:18
And they set the priests in their classes, and the Levites in their divisions, for the service of God, which is at Jerusalem: as it is written in the book of Moses.