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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6049557
    Disgrifiad
    Black and white photographic survey of Ty Mawr, Llysfaen, produced by George Bernard Mason as part of the National Buildings Record
    Enw Casgliad
    NMR Site Files
    Cyfrwng
    Photo.
    Cychwynnwr
    G. Bernard Mason
    Dyddiad
    c. 1954