Aaron

Exodus 29:1-4
Now this is what you are to do to consecrate them to serve Me as priests: Take a young bull and two rams without blemish, . . .

garments

Exodus 28:2-4, 40-43
Make holy garments for your brother Aaron to give him dignity and splendor. . . .

Exodus 39:1-31
From the blue, purple, and scarlet yarn the craftsmen made specially woven garments for ministry in the sanctuary, as well as the holy garments for Aaron, just as the LORD had commanded Moses. . . .

anointing

Exodus 30:23-37
"Take the finest spices: 500 shekels of liquid myrrh, half as much (250 shekels) of fragrant cinnamon, 250 shekels of fragrant cane, . . .

Exodus 40:12-15
Then bring Aaron and his sons to the entrance of the Tent of Meeting and wash them with water. . . .

bullock

Exodus 29:1, 2
Now this is what you are to do to consecrate them to serve Me as priests: Take a young bull and two rams without blemish, . . .

Hebrews 7:27
Unlike the other high priests, He does not need to offer daily sacrifices, first for His own sins and then for the sins of the people; He sacrificed for sin once for all when He offered up Himself.