1. Die Übereinstimmung zwischen Autotypie und Netzhautbild Author(s): Kahn, Fritz, 1888-1968 Publication: Stuttgart : Kosmos, 1931 Subject(s): Vision, OcularPhotographyAnatomy, Artistic
2. The first roentgen photograph. (Mrs. Röntgen's hand.) Author(s): Glasser, Otto, 1895- ?, author Publication: London: Bale & Danielsson, 1933 Subject(s): X-Rays