وصف الكتاب
I. The o r iginal nature of man.--II. The psychology of learning.--III. Mental wo r k a nd fatigue a nd individual differences a nd their causes
Part 2 of Vol. III is a revision of a book, Educational psychology, which appeared in 1903, a nd in a revised fo r m, in 1910
",Bibliography of references made in the text",, at end of each volume