Commonplace book, 1866-1916, in Welsh, of Owen Roberts (1848-1917), Frondeg, Tre-garth, co. Caernarfon, containing transcripts of hymns and secular verse, and notes of local events, including notes concerning chapel activities and the Penrhyn slate quarry.

Correspondence and documents, 1901, relating to legal matters concerning the Penrhyn quarry. The correspondents include David Lloyd George, and William George (4).