Ezra 6:20
For the priests and the Levites had purified themselves as one man: they were all pure; and they killed the passover for all the children of the captivity, and for their brethren the priests, and for themselves.
2 Chronicles 35:11
And they slaughtered the passover, and the priests sprinkled the blood from their hand, and the Levites flayed them.
2 Chronicles 29:34
Only the priests were too few, and they could not flay all the burnt-offerings; therefore their brethren the Levites helped them, until the work was ended, and until the priests had hallowed themselves; for the Levites were more upright in heart to hallow themselves than the priests.
Exodus 12:21
And Moses called all the elders of Israel, and said to them, Seize and take yourselves lambs for your families, and kill the passover.
2 Chronicles 30:15-17
And they slaughtered the passover on the fourteenth of the second month; and the priests and the Levites were ashamed, and hallowed themselves; and they brought the burnt-offerings into the house of Jehovah.
Hebrews 7:27
who has not day by day need, as the high priests, first to offer up sacrifices for his own sins, then for those of the people; for this he did once for all in having offered up himself.