Chicago: University of Chicago Press, 1937. Klietman, N.; Mullin, F.J.; Cooperman, N.R. and S. Titelbaum. Sleep Characteristics. How they vary and react to changing conditions in the group and the individuals. Chicago: University of Chicago Press, 1937. (215 x 115 mm). viii, 86pp. Original printed blue cloth. Bookplate tipped to..... More