Disgrifiad
Plans of 'The longhouse in relation to some types of Regional Plans'. The properties shown comprise: Maesyrhiw, Llansadwrn; Cwm Eilath, Llansadwrn; Persondy, Mamhilad; The Old House, Llangovern; Brithdir Mawr, Cilcain; Plas Uchaf, LLanfair D. C; Garreg Fawr, Waunfawr, Caernarvonshire; Derwen Bach, Dolbenmaen; and an unspecified house in Llanwit Major [possibly NRPN 19522].
