National Library of Wales

• Ladies of Llangollen
• Bibliotheca Celtica
• Early Welsh poetry
• A description of the permanent building the foundation stones of which were laid by Their Majesties King George v. and Queen Mary, July 15, 1911
• A Guide to genealogical sources at the National Library of Wales
• American material from the National Library of Wales
• Bibliography of Robert Owen, the Socialist, 1771-1858
• Bibliotheca Celtica
• Bibliotheca Celtica
• Bibliotheca Celtica
• Byd llyfrau Cymreig
• Calvinistic Methodist archives deposited in the National Library of Wales