. "Sir Isaac Newton's Mathematical Principles of Natural Philosophy and his System of the World" . . . "Philosophiae naturalis principia mathematica" . "Philosophiae naturalis principia mathematica" . "M\u00E9canique c\u00E9leste" . . "Mechanics, Celestial -- Early works to 1800" . "Orbites" . "Newton, Isaac (1642-1727). Philosophiae naturalis principia mathematica" . "1934" . "Text" . . . . "Ouvrages avant 1800" . . "Mechanics -- Early works to 1800" . "Celestial mechanics" . . "M\u00E9canique c\u00E9leste -- 17e si\u00E8cle" . .