World illiteracy at mid-century, a statistical study / UNESCO. - [Paris] UNESCO [1957] - 200 p.: fold. col. map, tables. 22 cm. - Monographs on fundamental education, 11 . - Unesco. Monographs on fundamental education ; 11. . Bibliographical footnotes. LCCN: 57059061 Subjects--Topical Terms: Literacy--Statistics. LC Class. No.: LC149 / .U58 Dewey Class. No.: 379.2