00338nam a2200145Ia 4500008004100000035001000041082002200051100002600073245003000099250000600129260003300135300000800168500001000176650000600186210723s9999||||xx |||||||||||||| ||und||  a50524  a793.74BAMU / DUD  aDudeney, Henry Ernest 0aAmusements in Mathematics  a-  aNew YorkbDover Publications  a258  aC 306  a-