Wyndham Colliery (Bridgend, Wales).
- Corporate body
Wyndham Colliery (Bridgend, Wales).
Wylfa Power Station (Anglesey, Wales) -- Public opinion.
Wylfa Nuclear Power Station (Ynys Mon, Wales)
Wycliffe Hall (Yorkshire, England)
Wrysgan Slate Quarry Company (Wales)
Writing Slate Mills (Llanddeiniolen, Wales)
Writers' Guild of Great Britain
Writers and Readers Publishing Cooperative (London, England)
Wrexham, Mold, and Connah's Quay Railway Company.
Wrexham, Mold and Connah's Quay Railway Company
Wrexham, Mold & Connah's Quay Railway
Wrexham Tenants' Society Limited.
Wrexham Tenants Society -- Records and correspondence