Pori’r Slipiau

ABCChDDdEFFfGNgHIJLLlMNOPPhRRhSTThUWY

Trawsgrifiad y Slip

< I'r Slip BlaenorolI'r Slip Nesaf >3c-007380

clwyf

Clwy yr Hen Waith : Yr afiechyd 'Silicosis'

J.N. Rhodes (Unpub. PhD, Univ. Leicester, 1970): 'The London Lead Company in North Wales: 1693-1792'

1970