Blodau Rhagfyr, sef Detholiadau o ysgriafu, pregethau a chaneuon [y diweddar D. Rhagfyr Jones] dan olygiaeth ei gyfail J.D. ReesJones, D. Rhagfyr of Aberdar, Rees, J. D. of Aberdar · First published 1918Open the Tome
Grass establishment on power station waste [by] W.J. Rees and A.D. SkeldingW. J Rees · First published 1953Open the Tome
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