South Wales Constabulary Math Eitemau Uwchlwytho gan Ross Mather Police Memorabilia of Wales Collection
'General Statement of the Income and Expenditure of the Porthdinllaen and Nanthwynhant Turnpike Trust', 1852 Math Eitemau Uwchlwytho gan Casglu'r Tlysau
'General Account and Statement of the Income and Expenditure of the Carnarvonshire Old Turnpike Trust, 1841' [clawr, delwedd 1 o 17] Math Eitemau Uwchlwytho gan Casglu'r Tlysau
