Papers of Lord Ystwyth, 1895-1920, including Cardiganshire Liberal Association minutes of meetings, accounts, bills and receipts, and correspondence of Lord Ystwyth, 1907-1921; papers relating to the establishment and activities of the Cardiganshire Battery, 2nd Welsh Brigade, Royal Field Artillery, 1897-1913; and tickets of admission to events in Aberystwyth, 1898-1904.