Manuscript, in multiple hands, of a collection of 47 items divided into three sections. The first section consists of 14 poems, extracts, and notes, primarily on antiquarian subjects. The verses in the first section include a Latin poem titled Odeum oxoniense; a poem addressed to Thebes; a verse dialogue between two shepherds titled The eagle & wren, or Thomas & Richard, a pastoral dialogue; a poem addressed to Thomas Tyrwhitt; and an extract of a letter from Alexander Pope to Samuel Richardson which includes a poem "found in a glass window in the village of Chalfort Bucks." The first section also contains an excerpt from Gerard Langbaine on Ben Jonson; a list of payments to poets copied from the accounts of Henry VII's privy purse; an excerpt from Tobias Smollett's history of England; notes on Latin and medieval French and their relationship to Chaucer; and notes concerning Chaucer's Dreme of Chaucer.
The second section contains 23 letters, notes, drawings, and transcripts relating to Thomas Chatterton and the Rowley controversy. These items include numerous documents in Chatterton's hand, including Happiness-a poem; A fragment of sermon on the holy spirit in medieval English; and 10 drawings, some printed, of medieval buildings and tombstones, including that of Robertes Canyng. The section also includes several items by George Catcott, such as a notebook with marbled covers signed George Catcott January 1, 1776, which consists of his notes to a book on Chatterton; and a copy of Chatterton's poem The tournament, an interlude, with a note by Tyrwhitt to the printer. The remainder of this section consists of letters from various scholars to Tyrwhitt discussing the Rowley controversy. These scholars include Thomas Warton, Jeremiah Milles, William Cole, and Dr. Percy.
The third section contains 10 letters, several of which are addressed to Tyrwhitt, many on literary matters, including the meaning of the word "churl"; accented syllables in Milton's and others' poetry; and commentaries on John Dryden, Alexander Pope, and Joseph Addison. Other items include a social letter from Richard Hurd, bishop of Worcester, to Dr. Hough; a letter from Nicholas Harding discussing the King's right to levy taxes, and containing extracts from Hale's Prerogativa Regis; and two drawings of plans for tracts of land surveyed in Jamaica, signed by Henry Wornull in 1671.