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Mind and Behavior: 5 Classic Psychological Books - The psychology of sleep Mentally Defective Children Fatigue Study: The Elimination of Humanity's Greatest Unnecessary Waste etc
Frank B. Gilbreth, Alfred Binet, Lillian Moller Gilbreth, Harry L. Hollingworth, Bolton Hall, Albert T. Poffenberger, Wilhelm Max Wundt, Théodore Simon