- NLW MS 2939F.
- Ffeil
- 1877-1878.
Rhan oHaverfordwest MSS,
The pay book of the Pwllcarn colliery company's Merthyr-Rhondda bituminous and steam coal collieries, Glamorgan, 1877-1878.
Coal mines and mining -- Wales -- Glamorgan -- Accounting
Tacsonomeg
Cod
Nodyn(nodiadau) cwmpas
Nodyn(nodiadau) ffynhonnell
Nodyn(nodiadau) darganfod
Termau hierarchaidd
Coal mines and mining -- Wales -- Glamorgan -- Accounting
Termau cyfwerth
Coal mines and mining -- Wales -- Glamorgan -- Accounting
Termau cysylltiedig
Coal mines and mining -- Wales -- Glamorgan -- Accounting
1 Disgrifiad archifol canlyniad ar gyfer Coal mines and mining -- Wales -- Glamorgan -- Accounting
1 canlyniad yn uniongyrchol gysylltiedig Eithrio termau culach