- CasgliadP1 - George Musgrave Parker : Correspondence and research records
- CyfresE : Collected Manuscripts
- EitemElectoral records
- Eitem123 - Electoral claims
- Eitem124-133 - Electoral rolls, district of Glamorgan
- Eitem134 - Electoral roll
- Eitem135 - Satirical political poster
- Eitem136 - Election poster, John Meredith