The arte of nauigation : conteyning a compendious description of the sphere, with the making of certayne instruments and rules for nauigations, and exemplifyed by many demonstrations. Written by Martin Cortes Spanyarde. Englished out of Spanishe by Richard Eden, and now newly corrected and amended in diuers places. - Cortés, Martín, ([By Abell Jeffes] at the charges of Richard Watkins,, 1589)