Correspondence and papers bound in one volume which includes letters written by William Roberts to his family, friends and colleagues and letters received by William Roberts and others from various correspondents including John Elias, 1837-1901. Also, an 1811 table of his preaching appointments in south Wales and of his expenses and list of lectures on his visit to London.
Records of Llanfwrog Chapel in the form of a list of names of preachers 1833-1835.
Records of Ebenezer Chapel, Llanfaethlu, Anglesey including account books, 1840-1908 and a register of baptisms, 1840-1897.
Expenses of the Monthly Anglesey C. M. Meetings held at Llanfaethlu, 1847-1876.
Highway rate book for the parish of Llanfaethlu, 1837-1838.
Account books of the family of Rev. William Roberts which are written in various hands, 1847-1906. These include Llanfaethlu shop accounts, 1885-1906 and corn and wheat accounts for 1885-1903 which include names of Anglesey businessmen.