Frontier Research and Innovation in Optoelectronics Technology and IndustryKhaled Habib, Elfed Lewis · First published 2018Open the Tome
Wirtschaftsgeschichte des Vorderen Orients in islamischer ZeitElfed Lewis, Spuler, Rodinson, Donald R. Baer, Martin Anton Müller, Ehrenkreutz, Ashtor, Lambton, Cyrus Cooper, Rosenberger, Arié, Bolens, Fahd · First published 1977Open the Tome
Cynyrchion barddonol buddugolLewis, Howell Elvet called Elfed, Royal National Eisteddfod of Wales (1924 Manceinion) · First published 1924Open the Tome
