The miscellaneous papers include a manuscript copy, early 18th century of "The History and Genealogie of the famous Ancient and Truely Noble House of Seton" by Sir Richard Maitland of Lethington, with the continuation by Alexander Seton, Viscount Kingston (folio 45). There are a number of undated literary and historical pieces and poetry in English, French, and Dutch in James Seton's hand, and also some genealogical notes and medical recipes of the late 18th century.