Progress of literacy in various countries    a preliminary statistical study of available census data since 1900 

 -  1953 
 - Unesco, monographs on fundamental education .
<br/><br/><label>Standard No.: </label>148,633 
<br/><br/><label>Source: </label> Textual 
<br/><br/><label>Subjects--Topical Terms: </label><br/>EDUCATION
<br/><br/><label>Dewey Class. No.: </label>Ts1.N0, J3