Design: materials and patterns,
Design: materials and patterns,
Nuclear Weapons,
Nuclear Weapons,
Natural Rubber Development Board,
Natural Rubber Development Board,
Advisory Council on Energy Conservation,
Advisory Council on Energy Conservation,
Cambridge Spy Ring papers,
Cambridge Spy Ring papers,
'I.T.V.',
'I.T.V.',
'Shipping',
'Shipping',
Y Bedyddwyr,
Y Bedyddwyr,
Acknowledgments of gifts,
Acknowledgments of gifts,
Lists of heirs,
Lists of heirs,
The coal industry,
The coal industry,
Descriptio Angliae et Genealogiae Regum Angliae
Descriptio Angliae et Genealogiae Regum Angliae
Ichthyography,
Ichthyography,
'Eglwys' & 'Llan',
'Eglwys' & 'Llan',
Diary,
Diary,
Log books of the 'Liberty',
Log books of the 'Liberty',
Woodlands
Woodlands
Farming accounts,
Farming accounts,
A Tour through Wales and letters on Hafod,
A Tour through Wales and letters on Hafod,
Letter book of H.M.S.S. Geyser
Letter book of H.M.S.S. Geyser
