Papurau Frank Jones, Llanrwst, sir Gaernarfon,1932-1944, yn cynnwys llyfr nodiadau'n ymwneud â'r ymgyrch yn y 1930au i gael ffurflenni'r Dreth Incwm yn Gymraeg, a'i ddyddiadur, 17 Ionawr 1941-8 Medi 1942, yn mynegi ei argraffiadau o gyfnod rhyfel fel heddychwr a chenedlaetholwr; gohebiaeth,1936-1944, yn cynnwys ei gais, 1940, i gael ei gofrestru fel gwrthwynebydd cydwybodol ar sail bod yn genedlaetholwr o Gymro. = Papers of Frank Jones, Llanrwst, Caernarfonshire, 1932-1944, including a notebook relating to the campaign for Income Tax forms in Welsh in the 1930s, and his diary, 17 January 1941-8 September 1942, containing his impressions of war as a pacifist and nationalist; correspondence, 1936-1944, including his application, 1940, to be registered as a conscientious objector on the grounds of being a Welsh nationalist.

Papurau'r Parch. Lewis Valentine, 1874-1983, yn cynnwys gohebiaeth gyffredinol, 1916-1983; llythyrau oddi wrth Saunders Lewis, [1926]-1983; llythyrau oddi wrth D. J. Williams, 1930-1969; llythyrau oddi wrth Kate Roberts, 1937-1976; llythyrau'n ymwneud â'r Ysgol Fomio a charchariad Lewis Valentine, 1936-1937; dyddiaduron rhyfel,1916-1919; anerchiadau gan Valentine ac eraill, 1930-1972; a phapurau amrywiol a gasglwyd gan Valentine, 1874-1980. = Papers of the Rev. Lewis Valentine, 1874-1983, comprising general correspondence, 1916-1983; letters from Saunders Lewis, [1926]-1983; letters from D. J. Williams, 1930-1969; letters from Kate Roberts, 1936-1976; letters relating to the Bombing School and Lewis Valentine's imprisonment, 1936-1937; war diaries, 1916-1919; addresses by Valentine and others, 1930-1972; and miscelleneous papers collected by Valentine, 1874-1980.