1. In memorium Karl August Bolten;Bise;The Colposcopist,1972
2. Cervical Pathology and Colposcopy,1978
3. Should colposcopy be part of every gynaecological examination?;Burghardt,1982
4. The recognition of cancer of the uterus in its earlier stages;Emmert;JAMA,1931
5. The use of the colposcope and the Schiller test in the diagnosis of early or latent carcinoma of the cervix uteri;Farrar;Surg Clin North Am,1938