A manuscript volume in English and Welsh, 1854-1858, compiled by Griffith Griffiths, shopkeeper, Pen-y-graig, Llangwnnadl, Caernarvonshire, mainly containing medicinal recipes (NLW MS 23711iA).
A medico-botanical map of the world, [c. 1868], and two pamphlets, [1930s], relating to his grandson, the medical herbalist Griffith Griffiths, Bangor, and the family's cure for 'wild warts' ('y ddafad wyllt') are filed separately (NLW MS 23711iiC).

A manuscript volume, 1750-1758, compiled by Henry Young, perhaps of Tregaron, Cardiganshire, containing commonplace entries including notes on astronomy, astrology, physiology, weather lore (ff. 1 verso-3 verso) and Biblical and historical material, amongst which are extracts from R. B., The History of the nine worthies of the world (London: printed for Nath. Crouch..., 1687, STC C7337). Also included are model letters, extracts from poems by John Gay (ff. 6 verso, 30) and Alexander Pope (ff. 33 verso-35), valentines and other verse, medical and cookery recipes and recipes for ink and gilding, together with many related drawings and decorations in ink and polychrome.