Guard-book of correspondence and papers of Percy, including: (fols. 1-24) letters from Percy to George Aust, 1801-1803; (fols. 35-43) transcripts made by Percy in 1777 of correspondence between Sir William Trumbull and Sir Philip Meadows, 1713-1716; (fol. 44) copy by Percy of 'An hymn to the Creator' by James Merrick, with (fols. 58-65) typescript list of manuscripts and…