Papers of the committee on the question of Welsh in teaching in the University of Wales Ychwanegu i'r clipfwrdd CV/5 Ffeil 1965-1969 Rhan oUniversity of Wales Archive
Employment of teachers trained to teach through the medium of Welsh Ychwanegu i'r clipfwrdd CG6/33 Ffeil 1957-1958 Rhan oUniversity of Wales Archive
