Leviticus 8:9
"And he put the mitre upon his head; also upon the mitre, even upon his forefront, did he put the golden plate, the holy crown; as the LORD commanded Moses."
Cross References (ranked by relevance)
Zechariah 3:5
And I said, Let them set a fair mitre upon his head. So they set a fair mitre upon his head, and clothed him with garments. And the angel of the LORD stood by.
Exodus 28:4
And these are the garments which they shall make; a breastplate, and an ephod, and a robe, and a broidered coat, a mitre, and a girdle: and they shall make holy garments for Aaron thy brother, and his sons, that he may minister unto me in the priest’s office.
Exodus 29:6
And thou shalt put the mitre upon his head, and put the holy crown upon the mitre.