Gohebiaeth bersonol, 1939-93, wedi ei threfnu yn gronolegol yn ôl gohebydd yn yr un modd ac y dechreuwyd ei threfnu cyn iddi gyrraedd y Llyfrgell. Nodir enw pob gohebydd gyda dyddiadau'r ohebiaeth a chroesgyfeiriad at unrhyw ohebiaeth arall gan yr un person, sy'n ymddangos yn yr archif. Mae casgliad bychan o lythyrau na lwyddwyd i adnabod eu hawduron (A I/2562-87), casgliad o gopïau o atebion Emyr Humphreys i lythyrau nad ydynt yn ymddangos yn y casgliad (A I/2588-714), (fel arall cynhwysir copïau o'i atebion gyda'r ohebiaeth wreiddiol), a chasgliad bychan o lythyrau rhwng unigolion heblaw Emyr Humphreys (A I/2715-25). Personal correspondence, 1939-93, arranged chronologically according to correspondent as it had started to be arranged before it came to the Library. Every correspondent is noted, together with the dates of the correspondence and a cross-reference to any other correspondence by the same person, that appears in the archive. There is a small collection of letters, the authors of which are unknown (A I/2562-87), there are copies of Emyr Humphreys's answers to letters that do not appear in the archive (A I/2588-714), (otherwise copies of answers are included with the original correspondence), and a small collection of letters between parties other than Emyr Humphreys (A I/2715-25). Arranged by correspondent, and numbered A I/1-2725.
