[Report 1959] / Medical Officer of Health, Caernarvonshire Combined Sanitary Districts (Bangor City, Conway Borough, Bethesda U.D.C., Betws y Coed U.D.C., Llandudno U.D.C., Llanfairfechan U.D.C., Penmaenmawr U.D.C., Nant Conway R.D.C., Ogwen R.D.C., Caernarvon Borough, Pwllheli Borough, Criccieth U.D.C., Portmadoc U.D.C., Gwyrfai R.D.C., Lleyn R.D.C.).

Licence: Attribution 4.0 International (CC BY 4.0)

Credit: [Report 1959] / Medical Officer of Health, Caernarvonshire Combined Sanitary Districts (Bangor City, Conway Borough, Bethesda U.D.C., Betws y Coed U.D.C., Llandudno U.D.C., Llanfairfechan U.D.C., Penmaenmawr U.D.C., Nant Conway R.D.C., Ogwen R.D.C., Caernarvon Borough, Pwllheli Borough, Criccieth U.D.C., Portmadoc U.D.C., Gwyrfai R.D.C., Lleyn R.D.C.). Source: Wellcome Collection.