bibliography biography boatsandboating cartography catalogs dataprocessing descriptionandtravel digitalmapping earlymaps england exhibitions gb471s861984 geographicalmyths geographicinformationsystems greatbritain history historyimray hydrographicsurveying imray laurie london mapindustryandtrade maps nationalmaritimemuseum(greatbritain) navalartandscience navalbattles navigation norie pilotguides publishersandpublishing publishing wilson yachting