By Taylor, Arnold J., Avent, Richard, Cadw: Welsh Historic Monuments
By Wales Tourist Board, Robinson, David
By JERVIS SIMON, TOMLIN MAURICE, VOAK JONATHAN, Jervis, Simon, Tomlin, Maurice, Wellington Museum, Victoria and Albert Museum, Voake, Jonathon
By Ronald de Leeuw
By Kenyon, John R.
By Cunliffe, Barry
By A C Bradley
By Barrett, Browning Elizabeth, Graham, Colin
By Robert Browning
By Faulkner, WILLIAM
By Girouard, Mark
By Thomas, Peter
By Garfield, Simon
By Guise, Anthony
By Shute, Nevil
By Atterbury, Paul, Haines, Anthony
By Sanders, Lawrence
By English Heritage, John A. A. Goodall, Goodall, John A. A.
By Owens, Susan
By John Freemen
By Miller, Judith, Martin
By Bolter, Jay David
By Terry Eagleton, Eagleton, Terry
By Jencks, Charles
By Hirschkop, Ken, Shepherd, David
By Herman, Edward S., McChesney, Robert W.
By Kress, Gunther
By Klein, Melanie
By Kaufman, Eleanor, Heller, Kevin Jon