A survey of the state of education in, and around, the parishes of Castle Caereinon, Llanfair Caereinion and Manafon, co. Montgomery, carried out, December 1846, by representatives of local nonconformist denominations under the supervision of the Reverend Robert David Thomas ('Iorthryn Gwynedd', 1817-88), minister of Penarth Congregational chapel, Llanfair Caereinion. Memorials on the survey were submitted to the Commissioners appointed by Government to enquire into the state of education in Wales (see 544, below).