An essay entitled 'Bywgraffiad o fywyd y diweddar W[illiam] Williams, Esqr. , Goruchwyliwr Mwngloddiau y Van, Sir Drefaldwyn', written by 'Ap Idloes', and ? submitted for competition at an eisteddfod held at Y Fan, Llanidloes, 1888. Inset, at the end of the volume, is a holograph note, 12 June 1939, by [the Reverend] D. Llewelyn Jones [Wesleyan minister], Llanidloes, the donor of the manuscript, relating to William Williams's grave, with copies of the memorial inscriptions to Williams and members of his family on the gravestone.