The file comprises letters discussing a public meeting at Blaenau Ffestiniog in 1899 (at which O. M. Edwards and William Abraham ['Mabon'] are to speak); plans for a public memorial to Thomas Edward Ellis during 1902; the writer's proposed drafting of a biography of Thomas Edward Ellis; various academic appointments; and literary matters.
The file comprises personal letters which relate to the preparation, writing and publication of articles, the taking of photographs, the checking of proofs and printing. There is also some domestic and family news.
The file comprises letters and miscellaneous papers mainly from the Welsh Publishing Co., Caernarfon, relating to the production of volumes and journals associated with O. M. Edwards.
The file includes letters and papers from the Welsh National Press Co. Ltd, Caernarfon, relating to the printing and sales of journals edited by O. M. Edwards, notably Cymru and Cymru'r Plant, and other volumes with which Edwards was associated, as author or editor.
The file includes letters and papers, mainly from Hughes and Co. Ltd, Publishers, Wrexham, together with a few letters from other presses and publishing houses, relating to journals and volumes with which O. M. Edwards was associated.
The folders contain letters from various publishers and printers, legal agreements and documentation relating to the sales of works and the payment of royalties on works written by O. M. Edwards and journals edited by him.
The file contains mainly letters addressed to O. M. Edwards, mainly written at the family home at Coed-y-pry, Llanuwchllyn. They give mostly family and domestic news. There is one stray letter (CM3/41) from Ellen Edwards to John Edwards.