John Keymors observation made upon the Dutch fishing, about the year 1601 [electronic resource] : Demonstrating that there is more wealth raised out of herrings and other fish in His Majesties seas by the neighbouring nations in one year, then the King of Spain hath from the Indies in four. And that there were twenty thousand ships and other vessels, and about four hundred thousand people then set on work by both sea and land; and maintained only by fishing upon the coasts of England, Scotland, and Ireland.