Keynes, John Maynard . A Treatise on Probability / Textual Documents John Maynard Keynes. - 1st ed. / - New York : Macmillan and co , 1957. - xi,466p. : ill ; 22cm . Index Subjects--Index Terms: Probability G-Mathematics T/G-Math Dewey Class. No.: 519 / K 522 T