Hebrews 5:3

and by reason thereof is bound, as for the people, so also for himself, to offer for sins.

Hebrews 7:27

who needeth not daily, like those high priests, to offer up sacrifices, first for his own sins, and then for the'sins of the people: for this he did once for all, when he offered up himself.

Hebrews 9:7

but into the second the high priest alone, once in the year, not without blood, which he offereth for himself, and for the errors of the people:

Leviticus 9:7

And Moses said unto Aaron, Draw near unto the altar, and offer thy sin-offering, and thy burnt-offering, and make atonement for thyself, and for the people; and offer the oblation of the people, and make atonement for them; as Jehovah commanded.

Leviticus 16:6

And Aaron shall present the bullock of the sin-offering, which is for himself, and make atonement for himself, and for his house.

Exodus 29:12-19

And thou shalt take of the blood of the bullock, and put it upon the horns of the altar with thy finger; and thou shalt pour out all the blood at the base of the altar.

Leviticus 4:3-12

if the anointed priest shall sin so as to bring guilt on the people, then let him offer for his sin, which he hath sinned, a young bullock without blemish unto Jehovah for a sin-offering.

Leviticus 8:14-21

And he brought the bullock of the sin-offering: and Aaron and his sons laid their hands upon the head of the bullock of the sin-offering.

Leviticus 16:15

Then shall he kill the goat of the sin-offering, that is for the people, and bring his blood within the veil, and do with his blood as he did with the blood of the bullock, and sprinkle it upon the mercy-seat, and before the mercy-seat:

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 needeth not daily, like those high priests, to offer up sacrifices, first for his own sins, and then for the'sins of the people: for this he did once for all, when he offered up himself.
Hebrews 9:7
but into the second the high priest alone, once in the year, not without blood, which he offereth for himself, and for the errors of the people:
Exodus 29:12
And thou shalt take of the blood of the bullock, and put it upon the horns of the altar with thy finger; and thou shalt pour out all the blood at the base of the altar.
Leviticus 4:3
if the anointed priest shall sin so as to bring guilt on the people, then let him offer for his sin, which he hath sinned, a young bullock without blemish unto Jehovah for a sin-offering.
Leviticus 8:14
And he brought the bullock of the sin-offering: and Aaron and his sons laid their hands upon the head of the bullock of the sin-offering.
Leviticus 9:7
And Moses said unto Aaron, Draw near unto the altar, and offer thy sin-offering, and thy burnt-offering, and make atonement for thyself, and for the people; and offer the oblation of the people, and make atonement for them; as Jehovah commanded.
Leviticus 16:6
And Aaron shall present the bullock of the sin-offering, which is for himself, and make atonement for himself, and for his house.

General references

Leviticus 9:15
And he presented the people's oblation, and took the goat of the sin-offering which was for the people, and slew it, and offered it for sin, as the first.

American Standard Version Public Domain