1. Diagnosis of Caries by Radiographic Interpretation;Galagan;J. D. Res,1956
2. Principles of Research in Biology and Medicine;Ingle,1958
3. Light, Colour, and Vision;LeGrand,1957
4. X-ray Measurements of the Diameters of the Living Eye;Deller,1947
5. The Relation Between Illumination and Visual Performance;Weston,1953