1. Old Merthyr Tydfil
This site is a must for anyone interested in exploring the local history of the Merthyr area.
2. Gathering the Jewels
This site contains over 20,000 images of objects, books, letters and other items from across Wales, including Troedyrhiw.
3. Data Wales
This site contains pictures and other materials from all over Wales including Troedyrhiw.
4. John Ball’s Welsh Family History Archive
5. John Ball’s Images of Wales
An online photo management and sharing application.
Contains a huge amount of photographic and video material covering all parts of the world including Troedyrhiw.
7. Merthyr Tydfil County Borough Council – Local History and Heritage
These pages are currently (July 2012) undergoing some updating and improvement.
8. Canolfan Soar
The former Soar Chapel in Merthyr has been transformed into a focus for Welsh culture and education..
9. The National federation of Cemetery Friends
The National Federation of Cemetery Friends represents groups of volunteers interested in conserving cemeteries large and small.
10. Archifau Cymunedeol Cymru
Community Archives Wales
Empowering individuals and strengthening communities in Wales through digital community archiving.