Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Underground diagram of lines
Diagram of Lines and Station Index (London Underground), issued by London Transport, 1958.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.
Amgueddfa Cymru
Diagram of Lines and Station Index (London Underground), issued by London Transport, 1958.