The most certain way to find out what's in the book is find and to look in the book. A quick author search of LVA Online Catalog for "Beveridge, William" results in several men of the same name, one of them listed as B[isho]p of Asaph, and lists a copy of his sermons in their special collections department.  Citation is below.
  Jon Kukla

LVA Online Catalog : MENU OF COPIES AND VOLUMES

CALL NO  BX5145 B4 1816
AUTHOR  Beveridge, William, Bp. of St. Asaph, 1637-1708.
MAIN TITLE  A sermon concerning the excellency and usefulness of the Common prayer: preached by William Beveridge at the opening of the parish church of St. Peter's, Cornhill, London, the
EDITION  31st ed.
PUBLISHER  Shepherd's-Town, Va. Printed by John N. Snider, 1816. 062117110523
----------original message----------
My ancestor's 1740 era Orange County, Virginia, will mentions a "book of sermons" by the Rev. William Beveridge (apparently Beveridge was bishop of St. Asaph in Wales). There are some writings of his at
http://justus.anglican.org/resources/pc/tracts/.

Does anyone have any idea of which of his works would have been this "book of sermons" that a layperson would have had at this time?

Thanks.

Michael Neill

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