TY - BOOK AU - Euclid. AU - Euclid. AU - Simson,Robert AU - Robertson,Abram TI - The Six First, Together with the Eleventh and Twelfth Books of Euclid's elements, demonstrated after a new, plain, and easie method PY - 1726/// CY - London PB - Printed by W. Pearson KW - Mathematics, Greek KW - Geometry KW - Early works to 1800 KW - Trigonometry ER -