The vicissitudes of time [electronic resource] : and the enduring bliss of eternity; a sermon, preached at High-Wycombe, on Thursday, May 19th; and at Wooburn, on Sunday, May 22, 1796; occasioned by the much-lamented death of Mr. Francis Blackwell, of Loudwater: To which are added, The solemn Charges to, and dying Prayers for, his Children, Grand Children, Domestics, Workmen, and Friends. By T. English, of Wooburn, Bucks. Published by general Request, from a sincere Respect to this valuable Character.