A series of letters, 1932 - 1936, written by Robert Roberts to W. Gilbert Williams of Rhostryfan. He writes in detail about the ancestors of some families from Bontnewydd and the surrounding area. Also, two letters from Robert Roberts to Glan Rhyddallt of Llanrug.
Several note books full of selections of poetry and quotations from articles in Y Cymru, Y Genhinen and other sources. One item includes quotes from Gleanings from God's acre by Myrddin Fardd and others have many references to pedigrees of local families.