Annand, David. RAF Penrhos near Pwllheli 1937-45 and RAF Llandwrog near Caernarvon 1940-45. Tywyn : David Annand, 1986. 36p
Doylerush, Edward. The legend of Llandwrog : the story of an airfield and the birth of the RAF Mountain Rescue Service. Leicester : Midland Counties Publications, 1994. 96p
Eames, Aled. Ship master : the life and letters of Capt. Robert Thomas of Llandwrog and Liverpool 1843-1903. [Caernarfron] : Gwynedd Archives Service, c1980. 199p
Jones, Charles Sheridan. What I saw at Bethesda. Gomer catalogue 2006. ISBN 1 84323 324 X "The Great Strike of 1903 brought the North Wales village of Bethesda to national attention....."
Williams, W Gilbert. Moel Tryfan i'r traeth : erthyglau ar hanes plwyfi Llanwnda a Llandwrog. Pen-y-groes, Gwynedd : Cyhoeddiadau Mei, 1983. 155p