An imperfect late seventeenth and early eighteenth century commonplace book of Howell Tanat (Tanatt, Tannat, Tannatt), Trewylan Isa, Llansanffraid-ym-Mechain, Montgomeryshire. It contains poetry in free metres by Oliver Rogers, Humfrey Dauyd ap Ivan, William Philips, Rolant Voughan [sic], Howell Tanatt, Edward Rolant and Hugh Moris, and anonymous poems; English verses; accounts, 1685-1707 and undated (household, farm, payments to craftsmen, assessments of lewns in Llansantffraid and Llandysilio, etc.); short depositions touching a suit in the Court of Chancery relating to Robt. Kinaston [of Trewylan Ganol, Llansanffraid-ym-Mechain] containing references to a plot and the keeping of a Jesuit priest; household and medical recipes; an incomplete dictionary of English phrases with their Latin equivalents; scriptural notes; a prayer; etc.