00449nam a2200181Ia 450000500170000000800410001702000140005804000190007204100120009108200130010310000140011624500420013026000340017230000170020650400190022365000150024285000100025720240605111245.0131103s9999    xx            000 0 und d  a602211107  aLoreto College  aEnglish  a511bBUR  aBurn, M H  aTeaching numbers and shapescM H Burn  aLondonbGinn & Companyc[19?]  a128p.b pic.  aIncludes index  aArithmetic  aLCBED