1. Location of fragment of steel in eye, etc;Clark;Trans. Amer. Ophth. Soc.,1896
2. Skiagraphy of the accessory sinuses of the nose;Caldwell;Trans. Amer. Roent. Ray Soc.,1906
3. Roentgendiagnostik des Schädels bei Erkrankungen des Auges und seiner Nachbarorgane;Thiel,1932
4. La radiographie en ophtalmologie. Atlas Clinique;Hartmann,1936
5. A new technique for roentgenography of the optic canals;Pfeiffer;Amer. Jour. Roent. Rad. Ther.,1933