Leviticus 10:6
And Moses said to Aaron, and to Eleazar and to Ithamar, his sons, Uncover not your heads, neither rend your clothes; lest you die, and lest wrath come on all the people: but let your brothers, the whole house of Israel, mourn the burning which the LORD has kindled.
Nave's Topical Index—AKJV

Leviticus 21:10
And he that is the high priest among his brothers, on whose head the anointing oil was poured, and that is consecrated to put on the garments, shall not uncover his head, nor rend his clothes;
Nave's Topical Index—AKJV