- NLW MS 12291C.
- Ffeil
- 1899-1902 /
A letter book of the Pontithel Chemical Company, Three Cocks, co. Brecknock, 1899-1902.
Pontithel Chemical Company.
Chemical industry -- Wales -- Three Cocks
Tacsonomeg
Cod
Nodyn(nodiadau) cwmpas
Nodyn(nodiadau) ffynhonnell
Nodyn(nodiadau) darganfod
Termau hierarchaidd
Chemical industry -- Wales -- Three Cocks
Termau cyfwerth
Chemical industry -- Wales -- Three Cocks
Termau cysylltiedig
Chemical industry -- Wales -- Three Cocks
1 Disgrifiad archifol canlyniad ar gyfer Chemical industry -- Wales -- Three Cocks
1 canlyniad yn uniongyrchol gysylltiedig Eithrio termau culach