Mae'r adran yn cynnwys ffeiliau ar bynciau penodol, 1968-1983, ynghyd â ffeiliau cyffredinol ar bynciau amrywiol, 1971-1979./This section consists of files on specific subjects, 1968-1983, together with general files on miscellaneous subjects, 1971-1979.
Llythyrau cyffredinol, 1939-2002, wedi eu cyfeirio at Gwynfor Evans ynghyd â ffeiliau o lythyrau, 1940-1996, oddi wrth bedwar-ar-ddeg o unigolion blaenllaw a fu'n gohebu'n gyson â Gwynfor Evans./General letters, 1939-2002, addressed to Gwynfor Evans, together with files of letters, 1940-1996, from fourteen prominent individuals who corresponded regularly with Gwynfor Evans.
Papurau amrywiol a phersonol/Miscellanea and personalia
Ffeiliau amrywiol, 1929-2002, y mwyafrif yn ymwneud ag ymgyrchoedd gwleidyddol a hanesyddol y bu Gwynfor Evans yn gysylltiedig â hwy; papurau personol amrywiol, 1938-2001, gan gynnwys torion o'r wasg, papurau teuluol, papurau'n ymdrin â theithiau tramor Dr Evans, papurau seneddol, nodiadau areithiau a chardiau cyfrach; a miscellanea, [c. 1930]-1998, yn eu plith datganiadau i'r wasg, taflenni a phamfledi amrywiol a lluniau./Various files, 1929-2002, most relating to the numerous political and historical campaigns in which Gwynfor Evans was involved; miscellaneous personal papers, 1938-2001, including press cuttings, family papers, papers relating to Dr Evans's trips abroad, parliamentary papers, speech notes and greetings cards; and miscellanea, [c. 1930]-1998, including press releases, miscellaneous leaflets and pamphlets, and photographs.