Addysg nwyddau / gwasanaethau Amlgyfrwng World Digital Library 4.0 4.0 out of 5 stars (based on 2 reviews) Ardderchog0%Da iawn100%Cyfartaledd0%Gwael0%Ofnadwy0% Gantradefree_azrarp12/05/2020 The World Digital Library (WDL) is an international digital library operated by UNESCO and the Darllen mwy