“…Critical, independent evaluation of this work, which cannot be done here, is required for the future maximum growth of knowledge: case studies (14,35,95) ; emotion (32,90) ; art (68,83) ; braille and talking-book reading (28,29,64) ; motor performance (12) ; vocational aptitude (5,45) ; vocational status (56) ; projective technics (37,77,79) ; space perception (97) ; theory and methodolgy (3,75). Useful compilations of aids for the blind and workers for the blind have also appeared (6,9,58,59,61,84).…”