North Wales Narrow Gauge Railways (NWNGR) Portmadoc, Beddgelert & South Snowdon Railway.
Narrow Gauge Railways in Mid-Wales. By J I C Boyd. 1965 HB in DJ 1st Edn. VG+
Narrow Gauge Railways in Mid-Wales. By J I C Boyd. 1965 H/B in DJ 1st Edition
Modelling Narrow Gauge Railways in Small Scales Chris Ford
MODELLING NARROW GAUGE RAILWAYS IN VARIOUS SCALES BOOK *HARDBACK*
Narrow Gauge Railways In South Caernarvonshire Vol 1
Narrow Gauge Railways in North Caernarvonshire Vol 3
