- Ridley 2006.
- Eitem
- [ca.1905].
Rhan oMartin Ridley Collection
Copy of a postcard showing 11 of the 13 spans of the Porthkerry Viaduct.
Railroad bridges lctgm -- Wales -- Barry -- 1900-1910.
Tacsonomeg
Cod
Nodyn(nodiadau) cwmpas
Nodyn(nodiadau) ffynhonnell
Nodyn(nodiadau) darganfod
Termau hierarchaidd
Railroad bridges lctgm -- Wales -- Barry -- 1900-1910.
Termau cyfwerth
Railroad bridges lctgm -- Wales -- Barry -- 1900-1910.
Termau cysylltiedig
Railroad bridges lctgm -- Wales -- Barry -- 1900-1910.
1 Disgrifiad archifol canlyniad ar gyfer Railroad bridges lctgm -- Wales -- Barry -- 1900-1910.