Hebrews 5:3

Because of this, he must offer sacrifices for sins for the people, as well as for himself.

Hebrews 7:27

who doesn't need, like those high priests, to offer up sacrifices daily, first for his own sins, and then for the sins of the people. For he did this 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 offers for himself, and for the errors of the people.

Leviticus 9:7

Moses said to Aaron, "Draw near to the altar, and offer your sin offering, and your burnt offering, and make atonement for yourself, and for the people; and offer the offering of the people, and make atonement for them; as Yahweh commanded."

Leviticus 16:6

"Aaron shall offer the bull of the sin offering, which is for himself, and make atonement for himself and for his house.

Exodus 29:12-19

You shall take of the blood of the bull, and put it on the horns of the altar with your finger; and you shall pour out all the blood at the base of the altar.

Leviticus 4:3-12

if the anointed priest sins so as to bring guilt on the people, then let him offer for his sin, which he has sinned, a young bull without blemish to Yahweh for a sin offering.

Leviticus 8:14-21

He brought the bull of the sin offering, and Aaron and his sons laid their hands on the head of the bull of the sin offering.

Leviticus 16:15

"Then he shall 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 bull, and sprinkle it on 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 doesn't need, like those high priests, to offer up sacrifices daily, first for his own sins, and then for the sins of the people. For he did this 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 offers for himself, and for the errors of the people.
Exodus 29:12
You shall take of the blood of the bull, and put it on the horns of the altar with your finger; and you shall pour out all the blood at the base of the altar.
Leviticus 4:3
if the anointed priest sins so as to bring guilt on the people, then let him offer for his sin, which he has sinned, a young bull without blemish to Yahweh for a sin offering.
Leviticus 8:14
He brought the bull of the sin offering, and Aaron and his sons laid their hands on the head of the bull of the sin offering.
Leviticus 9:7
Moses said to Aaron, "Draw near to the altar, and offer your sin offering, and your burnt offering, and make atonement for yourself, and for the people; and offer the offering of the people, and make atonement for them; as Yahweh commanded."
Leviticus 16:6
"Aaron shall offer the bull of the sin offering, which is for himself, and make atonement for himself and for his house.

General references

Leviticus 9:15
He presented the people's offering, and took the goat of the sin offering which was for the people, and killed it, and offered it for sin, like the first.