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).