1. 1919Monographs of the Rockefeller Institute for Medical Research no. 9New Yorkpp. 65-70
2. 1929In A system of bacteriology in relation to medicineLondonvol. ii, pp. 38-40
3. and 1946Topley and Wilson's Principles of bacteriology and immunityLondon3rd ed., p. 564
4. Die Hämolyse der Streptokokken1)