A bibliography of Welsh books entitled 'Llyfryddiaeth y Cymry Yn Cynnwys enwau llyfrau a gyhoeddwyd yn yr iaith gymraeg o'r flwyddyn 1801 hyd y flwyddyn 1850' in the hand of, and with occasional annotations by, David Evans, Llanrwst. Inset in the same hand is a list of subjects recommended by 'Carwr Llwydd Eisteddfod Llanrwst' for competition at an eisteddfod to be held at Llanrwst in 1878, one of the subjects being a bibliography of Welsh books and Welsh translations published to the year 1800. Watermark: 'J. WHATMAN 1819'.