Title: Two Clean Birds, Or, The cleansing of the Leper. As it was unfolded in a Sermon, Preached be- fore the Right Honourable, Ferdinando Lord Fairfax, Generall of the Northern Forces, and the most of his Army, on the fifth day of February, 1642. (being the Lords day, and by his Honour appointed to bee kept as a Fast, upon special occasion) at Selbie, in the West Riding of the County of Yorke