000 00295nam a2200121Ia 4500
008 220201s1948 xx 000 0 eng d
082 _a510
100 _aDELMAR
245 0 _aSuggested problems mathematics masonary trade
260 _bNewYork: Delmar Pub.
_c1948
300 _a74
942 _2ddc
999 _c73289
_d73289