The safegarde of saylers, or great rutter : Contayning the courses, dystances, deapths, soundings, flouds and ebbes, with the marks for the entring of sundry harboroughs both of England, Fraunce, Spaine, Ireland, Flaunders, and the Soundes of Denmarke, with other necessarie rules of common nauigation. Translated out of Dutch into English by Robert Norman hydrogropher [sic].