
Whipple, Guy Montrose 1876-1941 Manual of Mental and Physical Tests: a Book of Directions Compiled With Special Reference to the Experimental Study of School Children in the Laboratory or Classroom; pt.2

Whipple, Guy Montrose 1876-1941 Manual of Mental and Physical Tests: a Book of Directions Compiled With Special Reference to the Experimental Study of School Children in the Laboratory or Classroom; pt.1