The commonplace book of Robert Roberts, Tyddyn y Felin, an assistant minister of 'Yr Hen Gapel', Llanuwchllyn, containing miscellaneous records and extracts, relating particularly to the affairs of 'Yr Hen Gapel'; copies of notices to quit to tenants of the Glanllyn estate, 1830; a list of persons qualified to serve on juries in Llanuwchllyn, 1834; correspondence relating to Coward's Trust, 1834; extracts from letters by emigrants to the United States of America, 1833-1835; 'Subscriptions when Revd. M. Jones came to Llanuwchllyn'; lists of houses in Llandrillo, Llangower, Llanyckil, Llanfawr, and Llanymowddwy; and lists of dissenting meeting-houses.