5054648 Catalan Atlas, Sheet 4 (pen with coloured inks on parchment) by Cresques, Abraham (1325-87); Bibliotheque Nationale, Paris, France; (add.info.: The first two leaves contain texts in Catalan covering cosmography, astronomy, and astrology, emphasizing the Earth\'s spherical shape, giving information about the state of the known world plus (for sailors) tides and how to tell time at night.).