Baillie, John, 1886-1960. The belief in progress. - London : Oxford University Press, 1950. - viii, 240 p ; 21 cm. LCCN: 50004282 Nat. Bib. No.: GB50-4291 Subjects--Topical Terms: Progress. LC Class. No.: HM101 / .B25 1950 Dewey Class. No.: 301.1535