Volume one comprises a catalogue of French engraved portraits, compiled by Thomas Dodd, arranged under the names of the engravers (16th-18th century, but mainly 17th and 18th century), with indexes of the engravers' names (folios 1, 3v-4) and of portraits (folios 169-194).
Volume two comprises a catalogue of the works of Marc Antonio Raimondi, interleaved with pages from William Young Ottley's publication, An inquiry into the origin and early history of engraving: upon copper and in wood, with an account of engravers and their works, from the invention of chalcography by Maso Finiguerra, to the time of Marc' Antonio Raimondi (London: printed for J. and A. Arch by J. M'Creery, 1816). The volume is prefaced: This Catalogue of the works of Marc Antonio Raimondi is that which belonged to Sir M[ark] M[asterman] Sykes and those notes which apply to some prints by this artist... are of his handwriting. All other manuscript introductions are of my own writing. Tho. Dodd.