- BJ3/2.
- Ffeil
- 1917-1918.
Correspondence, press cuttings and copies of minutes of Porthmadog U.D.C. relating to a shipbuilding project at Portmadoc.
Shipbuilding -- Wales -- Porthmadog.
Tacsonomeg
Cod
Nodyn(nodiadau) cwmpas
Nodyn(nodiadau) ffynhonnell
Nodyn(nodiadau) darganfod
Termau hierarchaidd
Shipbuilding -- Wales -- Porthmadog.
Termau cyfwerth
Shipbuilding -- Wales -- Porthmadog.
Termau cysylltiedig
Shipbuilding -- Wales -- Porthmadog.
1 Disgrifiad archifol canlyniad ar gyfer Shipbuilding -- Wales -- Porthmadog.
1 canlyniad yn uniongyrchol gysylltiedig Eithrio termau culach