Pierre Simon, Marquis de Laplace ; with an introductory note by E.T. Bell ; [English translation by Frederick William Truscott and Frederick Lincoln Emory]Dover Publications1995
Pierre Simon, Marquis de Laplace ; translated from the 6th French edition by Frederick Wilson Truscott and Frederick Lincoln Emory ; with an introductory note by E.T. BellDover1952, c1951