"Psychology, Educational." . . "Educational psychology." . . . . . . . . "The gateways of learning. An educational psychology having special reference to the first years of school life. With illustrations"@en . "The Gateways of Learning. An educational psychology having special reference to the first years of school life, etc. [With plates.]"@en . . . . "The gateways of learning"@en . "The gateways of learning : an educational psychology having special reference to the first years of school"@en . . . . "The gateways of learning; an educational psychology having special reference to the first years of school life"@en . "The gateways of learning : an educational psychology having special reference to the first years of school life" . . . . . . . "The gateways of learning : an educational Psychology having special reference to the first years of school liffe" . . "Psicología de la educación." . .