1. On the mode of communication of cholera;Snow,1855
2. Observations made during the epidemic of measles on the Faroe Islands in the year 1846;Panum,1940
3. Epidemics and crowd diseases: an introduction to the study of epidemiology;Greenwood,1935
4. Streptomycin treatment of pulmonary tuberculosis: a Medical Research Council investigation;BMJ,1948
5. Epidemiologic methods;MacMahon,1960