Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Collection of Miles Tomlin's research notes
"40 Hour Week" Notes on the Printing Trade's claim for a 40 hour week, 1946 Notes handwritten in blue ink in cream paper notebook.
Nid yw sylwadau ar gael ar hyn o bryd. Ymddiheuriadau am yr anghyfleustra.