00696nam a2200241Ia 4500 117472 BIBL 20160527184514.0 721229s1960 xx 000 0 eng u 61000098 (OCoLC)00526636 WSU OCL PUXA QA141 .F7 Freitag, Herta Taussig. 225532 Local The number story. Washington National Council of Teachers of Mathematics [1960] 76 p. Numerals 143774 Local Mathematical notation. 251216 Local Numeration 143775 Local Freitag, Arthur H joint author. 225531 Local 98293 98293 0 0 0 511_100000000000000_F866 0 evl 58121 10 10 1 2016-05-27 178237 0 511.1 F866 80000001250862 2016-05-27 00:00:00 r:117472 z:NCC:D 6