000 00302cam a22001097a 4500
008 180718b1957 xxu||||| |||| 00| 0 eng d
082 _aP31 Un3
245 _aWorld illiteracy at mid-century: a statistical study
_cby UNESCO
260 _aParis
_bUNESCO
_c1957
300 _a200p.
700 _aFrance. UNESCO
999 _c414775
_d414775