Hebrews 5:3

And being feeble, he has to make sin-offerings for himself as well as for the people.

Hebrews 7:27

Who has no need to make offerings for sins every day, like those high priests, first for himself, and then for the people; because he did this once and for ever when he made an offering of himself.

Hebrews 9:7

But only the high priest went into the second, once a year, not without making an offering of blood for himself and for the errors of the people:

Leviticus 9:7

And Moses said to Aaron, Come near to the altar and make your sin-offering and your burned offering to take away your sin and the sin of the people, and make the people's offering to take away their sin; as the Lord has given orders.

Leviticus 16:6

And Aaron is to give the ox of the sin-offering for himself, to make himself and his house free from sin.

Exodus 29:12-19

Then take some of the blood of the ox, and put it on the horns of the altar with your finger, draining out all the rest of the blood at the base of the altar.

Leviticus 4:3-12

If the chief priest by doing wrong becomes a cause of sin to the people, then let him give to the Lord for the sin which he has done, an ox, without any mark, for a sin-offering.

Leviticus 8:14-21

And he took the ox of the sin-offering: and Aaron and his sons put their hands on the head of the ox,

Leviticus 16:15

Then let him put to death the goat of the sin-offering for the people, and take its blood inside the veil and do with it as he did with the blood of the ox, shaking drops of it on and before the cover of the ark.

Treasury of Scripture Knowledge

Summary

And by reason hereof he ought, as for the people, so also for himself, to offer for sins.

General references

Bible References

As

Hebrews 7:27
Who has no need to make offerings for sins every day, like those high priests, first for himself, and then for the people; because he did this once and for ever when he made an offering of himself.
Hebrews 9:7
But only the high priest went into the second, once a year, not without making an offering of blood for himself and for the errors of the people:
Exodus 29:12
Then take some of the blood of the ox, and put it on the horns of the altar with your finger, draining out all the rest of the blood at the base of the altar.
Leviticus 4:3
If the chief priest by doing wrong becomes a cause of sin to the people, then let him give to the Lord for the sin which he has done, an ox, without any mark, for a sin-offering.
Leviticus 8:14
And he took the ox of the sin-offering: and Aaron and his sons put their hands on the head of the ox,
Leviticus 9:7
And Moses said to Aaron, Come near to the altar and make your sin-offering and your burned offering to take away your sin and the sin of the people, and make the people's offering to take away their sin; as the Lord has given orders.
Leviticus 16:6
And Aaron is to give the ox of the sin-offering for himself, to make himself and his house free from sin.

General references

Leviticus 9:15
And he made an offering for the people and took the goat of the sin-offering for the people and put it to death, offering it for sin, in the same way as the first.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain