Papurau llenyddol Amanwy, yn cynnwys cerddi, caneuon a gweithiau mewn amryw ffurf, 1909-1953, yn enwedig pryddestau, 1909-1953, telynegion, 1910-1946, a sonedau, 1929-[1953]; rhyddiaith, 1924-1949, sy'n cynnwys darlithoedd, anerchiadau, storiâu byrion a nodiadau; sgriptiau radio,1942-1953; deunydd printiedig yn cynnwys emynau gan Amanwy a gweithiau ganddo ef ac eraill, 1919-1953; torion o'r wasg,1919-1945; a llythyrau,1950-1975. Gweler hefyd Trefniant = Literary papers of Amanwy, comprising poems, songs and other works of various forms, 1909-1953, notably pryddestau, 1909-1953, lyrics, 1910-1946, and sonnets, 1929-[1953]; prose works, 1924-1949, which include lectures, addresses, short stories and notes; radio scripts, 1942-1953; printed materials including hymns by Amanwy and works by him and others, 1919-1953; newspaper cuttings, 1919-1954; and letters, 1950-1975. See also Arrangement.