Unpublished work - Vedda language
De Silva, M. W. S. (1965). A structural analysis of the Vedda language spoken in the Badulla and Polonnaruwa Districts of Ceylon. (Unpublished doctoral dissertation). University of London.
De Silva, M. W. S. (1965). A structural analysis of the Vedda language spoken in the Badulla and Polonnaruwa Districts of Ceylon. (Unpublished doctoral dissertation). University of London.