Medical Heritage Library, Inc.: This image is taken from Zur Analysis des optischen Vorstellungslebens: Ein Beitrag zur Blindenpsychologie
Medical Heritage Library, Inc.: This image is taken from Zenk
Medical Heritage Library, Inc.: This image is taken from Zenk
Medical Heritage Library, Inc.: This image is taken from Page 5 of Zenk
Medical Heritage Library, Inc.: This image is taken from Page 7 of Zenk
Medical Heritage Library, Inc.: This image is taken from Page 7 of Zenk
Medical Heritage Library, Inc.: This image is taken from Page 7 of Zenk
Medical Heritage Library, Inc.: This image is taken from Page 9 of Zenk
Medical Heritage Library, Inc.: This image is taken from Page 10 of Zenk
Medical Heritage Library, Inc.: This image is taken from Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 50 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 50 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 36 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 39 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 126 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 127 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 127 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 128 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 128 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 129 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 130 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 130 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 130 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 130 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 136 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 137 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 138 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 139 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 140 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927
Medical Heritage Library, Inc.: This image is taken from Page 144 of Zeitschrift fur das Osterreichische Blindenwesen, 11-14, 1924-1927