Papers relating to Anglesey collected by John Williams (1833-1872) and including notes on Beaumaris crown rents; transcripts of North Wales charters; extracts from Beaumaris borough records and deeds; papers relating to the charges brought against Sir Thomas Cheadle, 1625-1626; papers relating to the case of Lewis Williams, vicar of Llanidan (see also NLW MS 1518); a proclamation, 1662, by Lord Bulkeley and other commissioners disqualifying certain Nevin burgesses who had been in arms against the king; a letter, 1639, from William Hampton when in prison; Civil War papers relating to Anglesey, 1643; letters by Sir Thomas Holland, 1631, and John Griffith of Llyne, 1642; the petition of the gentlemen of Anglesey against Lord Bulkeley, 21 March 1708-1709; a transcript from a Treffos manuscript of The Extent of Anglesey; Anglesey notes extracted from printed works; extracts from Sir John Wynn's history of the Gwydir family; a petition to the Council in the Marches by Thomas Williams, Tregarnedd, 1633; miscellaneous Bulkeley and Holland papers; etc.