Leviticus 16:3
Thus shall Aaron come into the holy place: with a young bullock for a sin offering, and a ram for a burnt offering.
Torrey's Topical Textbook—AKJV

Hebrews 9:7
But into the second went the high priest alone once every year, not without blood, which he offered for himself, and for the errors of the people:
Torrey's Topical Textbook—AKJV