The safegard of saylers, or, great rutter : containing the courses, distances, deapths, soundings, flouds, and ebbes, with the markes for the entring of sundry harboroughs both of England, France, Spaine, Ireland, Flaunders, and the sounds of Denmarke, with other necessarie rules of common nauigation. Translated out of Dutch into English, by Robert Norman hydrogropher [sic].