00402nam a2200121Ia 4500008004100000040001700041082002200058100003000080245005400110260003000164300001300194650007300207190328s9999||||xx |||||||||||||| ||und||  aNITILcNITIL  221sta370.1bK48P  aKilpatrick, William Heard 0aPhilosophy of educationcWilliam Heard Kilpatrick  aNew YorkbMacmillanc1951  ax, 465p.  aEducation-Philosophy; Learning Psychology of; Educational psychology