R. O. Roberts

The operations of the Brecon Old Bank of Wilkins & Co. 1778-1890
Atgofion bro mebyd (bywyd yn Ysbyty Ifan hanner canrif yn ôl)
Farming in Caernarvonshire around 1800, being Vaynol MS.4057, with maps from Vaynol MSS.4055 and 4056
Farming in Caernarvonshire Around 1800: Being Vaynol Ms. 4057,
Robert Owen o'r Drenewydd
Yng nghwmpasoedd Moelýci