Beinecke MS 636 Bras, David. Letters patent, of agency, for John Tresatlos, Jr. Latin. Deuesonwaldes (Dewsbury, Yorks.), 25 Sept 1417. Parchment. 1 f. 57 x 278 mm. One column, 7 lines. Gothic cursive script. Provenance: Donated by Richard Pachella, 1982. Albert Derolez