Casgliadau Arlein
Amgueddfa Cymru
Chwilio Uwch
Guest, Keen & Nettlefolds Ltd.
Diwydiant
G.K.N.(South Wales)Ltd. Annual Report
Production: Guest, Keen & Nettlefolds Ltd.
(1979)
1992.300/26
Diwydiant
G.K.N. (South Wales) Tremorfa Steelworks (leaflet)
Production: Guest, Keen & Nettlefolds Ltd.
(1976 (circa))
1992.300/16
Diwydiant
Guest Keen & Nettlefolds Ltd., letter
Production: Guest, Keen & Nettlefolds Ltd.
(25/01/1930)
86.129I/1983
Diwydiant
G.K.N.(South Wales)Ltd. Annual Report
Production: Guest, Keen & Nettlefolds Ltd.
(1979)
1992.300/25
Diwydiant
G.K.N. (South Wales) Castle rod mill (booklet)
Production: Guest, Keen & Nettlefolds Ltd.
(1976 (circa))
1992.300/15
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