William Leybourn, A Model Estate Map (1654). p.55
Maps and the Writing of Space in Early Modern England and Ireland, Bernhard Klein, Palgrave (St. Martin's Press) 2001
Pieter Apian's Map of France reprinted in 1551 (Paris) edition of his Cosmographie, p.129
The Self-Made Map: Cartographic Writing in Early Modern France, Tom Conley, Univ of Minnesota Press, 1996
Cartographer at work from Paul Pfintzing's Methodus Geometrica, Nuremberg, 1598.