1. The influence of the sex hormones in the skin and pilo-sebaceous system, with a discussion of the setiology of ‘seborrheic’ eruptions;Barber,1948
2. Modern Dermatology and Syphilology (2nd Edition);Becker,1947
3. Acne Vulgaris;Frank,1971
4. The pathologic role of Corynebacterium acnes in acne vulgaris;Kirachbaum;Arch. Dermatol,1963
5. The Cosmetic Treatment of Skin Complaints;Kromayer,1930