1. Urticaria Solaris;Arnold;Arch. Dermat. and Syph.,1941
2. Studies in Hypersensitivity to Light, II;Blum,1946
3. Photodynamic Action and Diseases Caused by Light;Blum;Reinhold Pubi. Corp.,1941
4. Physiologic and pathologic processes. in Medical Physics;Blum;Glasser. Year Book Publishers,1944
5. The physiological effects of sunlight on man;Blum;Physiol. Rev.,1945