1. Om Spedalskhed;Danielssen,1847
2. Leprosy in its Clinical and Pathological Aspects;Hansen,1895
3. Lectures on Clinical Surgery London;Hutchinson,1878
4. Cold in Relation to Skin Diseases;Haxthausen,1930
5. Immunity of certain anatomic regions from lesions in skin leprosy;Hopkins;Arch Dermatol Syph,1929