Jeffreys, Harold, Theory of probability / Harold Jeffreys. - 3rd ed. - Oxford : Clarendon Press, c1961. - viii, 447 p. : ill. ; 24 cm. - The International series of monographs on physics . - International series of monographs on physics (Oxford, England) ; . Includes Index Subjects--Topical Terms: Probabilities. Dewey Class. No.: 519.2 / JET 1961