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    Manylion
    Hierarchaeth
    Safleoedd Cysylltiedig
    Rhif Archif
    6175237
    Disgrifiad
    35mm slide showing plans & sections of Bwlch Gwyn, Tonyrefail, Glamorgan, produced by Harry Brooksby, undated.
    Enw Casgliad
    HB - Harry Brooksby Slide Collection
    Cychwynnwr
    Harry Brooksby, RCAHMW