1. Carcinogenesis by Ultraviolet Light. An Essay in Quantitative Biology;Blum,1959
2. Progress in Photobiology,1961
3. Changes after prolonged exposure to sunlight. A study of factors influencing actinic degeneration;Cockerell;Arch. Dermat,1961
4. Plastic materials for ultraviolet protection;Daniels;Arch. Dermat,1961
5. Physical factors in sun exposures;Daniels;Arch. Dermat,1962