Welsh KS3Rebecca Boyle, Connor Keyes, Dafydd Roberts, Tina Thomas, Keiron Williams · First published 2021Open the Tome
ArpiaPeter A. Craddock, Dafydd Williams, Scott Vardy, Philip Chick, Steve Chick · First published 2010Open the Tome
JPEG2000 Standard for Image CompressionGwenllian Dafydd,Dylan Williams · First published 2005Open the Tome
Gwladfa Kyffin/Kyffin in PatagoniaKyffin Williams, Paul Joyner, Dafydd Ifans · First published 2004Open the Tome
Construction and analysis of adenovirus/HIV-1 rev recombinantsRichard Dafydd Williams · First published 1993Open the Tome
Awdlau newyddionDafydd Ddu Eryri, Griffith Williams, Williams, Griffith Gutyn Peris · First published 1820Open the Tome
Casgliad o hen gerddi CymreigHumphreys, Hugh of Caernarvon, Price, David called Dewi Dinorwic, of Williamsburg, Ia, Thomas, David called Dafydd Ddu Eryri, William Williams, Ieuan Glan Geirionydd, Derfel pseudOpen the Tome
