Mental Fatigue: A Comprehensive Exposition of the Nature of Mental Fatigue, of the Methods of Its Measurement and of Their Results, with Special Reference to the Problems of Instructionby M. Offner; G. M. Whipple;Psychology and Pedagogy of Writing: A Résumé of the Researches and Experiments Bearing on the History and Pedagogy of Writingby M. E. Thompson;When Should a Child Begin School? An Enquiry into the Relation between the Age of Entry and School Progressby W. H. Winch;Spelling Efficiency in Relation to Age, Grade and Sex, and the Question of Transfer: An Experimental and Critical Study of the Function of Method in the Teaching of Spellingby J. E. W. Wallin