By Royal Historical Society
By Jones, Aled
By Archer, Ian W.
By Pettegree, Andrew
By Spicer, Andrew
By Oberman, Heiko Augustinus, Martin, Dennis
By Smart, Ninian, Clayton, John, Sherry, Patrick, Katz, Steven T.
By Hoskin, Michael
By Bridge, John, Demicco, Robert
By Fossen, Haakon
By Vasquez, John A.
By Gates, Phil
By Kadelburg, Vesna, Woolley, Ben
By Mabberley, D. J.
By Muir, Kenneth