Papers of academic and general interest,
- PQK.
- Is-is-is-fonds
- [14 cent., second ½], 1590, [early 17 cent.]-1946.
Manuscript and printed papers of academic and general interest collected or researched by the family, comprising original documents [14 cent.], 1590, sermons [early 17 cent. x mid 18 cent.], epitaphs, [c. 1686], 1736, prophecies, [c. 1694], [19 cent.], catalogues of books and documents, including Brogyntyn library, 1702-1946, various academic exercises, notes, articles and other literature relating to religion, historical and antiquarian subjects, literature, natural history and topography, philosophical and moralistic themes, money and other subjects of general interest, [1656]-1940.