1. “On the incidence of primary malignant tumours of the lung,”;Ask-Upmark;Acta Pathol. et Microbiol. Scand,1932
2. “Ett par lungcancerreflektioner,”;Ask-Upmark;Svenska Lakartidningen,1946
3. “Occupational Factors in Lung Cancer,”;Breslow;Publ. Health Rep,1953
4. “On the apparent increase in the incidence of lung cancer in Denmark 1930–45,”;Clemmesen;Brit. Journ. of Cancer,1947
5. “A further study of the incidence of cancer of the lung and the larynx,”;Kennaway;Brit. Journ. of Cancer,1947