1. The Training School January 1910 “The Binet‐Simon Measuring Scale for Intelligence ” byH. H.Goddard.
2. Amer. Journ. of Psycho‐Asthenics June 1915 byS. D.Porteus.
3. Journal of Educational Psychology January 1918 “The Measurement of Intelligence ” byS. D.Porteus.
4. Publication No. 3 International Health Board 1916 “Effects of Hookworm Disease on the Mental and Physical Development of Children ” by ID. K.Strong Jun.*