William Whitely Ltd, London,
Williams & Davies, London,
Williams & Owen, Corn Merchants, Caernarfon,
Williams & Son, Harness makers, Abergavenny,
Windsor Llewellyn Jenkins, Bridgend, Oct,
Winter & Co., Pharmacists, Llandudno,
Wooley & Co., Birmingham,
Y Rhyfel yn Ewrop (Cardiff, 1914),
YMCA, Cardiff,
Ynyscynhaiarn Urban District Council, Portmadoc, June,
Yost Typewriter Co. Ltd, March, Aug,