References for Willem 'sGravesande

  1. A R Hall, Biography in Dictionary of Scientific Biography (New York 1970-1990). See THIS LINK.
  1. J N S Allamand, Oeuvres philosophique et mathématique de M G J 'sGravesande (Amsterdam, 1774).
  2. K Andersen, Some observations concerning mathematicians' treatment of perspective constructions in the 17th and 18th centuries, in Mathemata (Steiner, Wiesbaden, 1985), 409-425.