The Book of Leviticus was a book of the Bible in the Old Testament.
The Eighth Doctor once quoted an obscure verse from Leviticus about cleaning fungus off of walls. (PROSE: Unnatural History [+]Loading...["Unnatural History (novel)"])
Henry Jennings-Bankhurst quoted the fifth chapter of the Book of Leviticus:
And the priest shall dip his finger in the blood, and sprinkle the blood seven times before the Lord, before the veil of the sanctuary. And he shall sprinkle the blood of the sin offering upon the side of the altar, and the rest of the blood shall be wrung out at the bottom of the altar.