Papurau Carneddog a rhai a gasglwyd ganddo, 1743-1947, yn cynnwys rhyddiaith a barddoniaeth ganddo ef ac eraill ar gyfer eu cyhoeddi, yn cynnwys colofn 'Manion o'r Mynydd'; torion papur newydd o'i waith ef ac eraill; gwaith gan awduron adnabyddus a gasglodd, yn eu mysg cerddi David W. Morris ('Dewi Glan Dulas', 1853-95) a dyfyniadau cywyddwyr; ei nodiadau bywgraffiadol ar awduron; papurau personol a theuluol, yn cynnwys llythyrau a anfonwyd ganddo o Iwerddon, pan oedd yn gwella o salwch yn 1899; swm sylweddol o ddeunydd yn ymwneud â hanes Beddgelert a phlwyfi cyfagos, yn cynnwys llyfrau lloffion gyda nodiadau llawn, copi llawysgrif o hanes Beddgelert a nifer o deuluoedd lleol, a llyfr rent Carneddi, 1743-1832; a nifer fawr o lythyrau at Garneddog, llawer ohonynt yn ymwneud â'i golofn yn yr Herald, a hefyd yn cynnwys llythyrau gan awduron Cymreig a llythyrau o UDA ac Awstralia. = Papers, 1743-1947, of and collected by Carneddog, comprising prose and poetry by him and others towards publications including the 'Manion o'r Mynydd' column; newspaper cuttings of his own work and that of others; works by well-known authors collected by him, including poems of David W. Morris ('Dewi Glan Dulas', 1853-95) and quotations from the cywyddwyr; biographical notes by him on authors; personal and family papers, including letters sent by him from Ireland, where he was recuperating from illness in 1899; a considerable amount of material relating to the history of Beddgelert and neighbouring parishes, including fully annotated scrapbooks, a manuscript history of Beddgelert and of several local families, and a rent book from Carneddi, 1743-1832; and a large number of letters to Carneddog, many of them relating to his column in the Herald, and also including letters of Welsh authors and letters from the USA and Australia.