1. The Contribution of Air Analysis to the Study of Allergy;Durham;J. Lab. & Clin. Med.,1928
2. Experimental Researches on the Causes and Nature of Catarrhus Aestivus;Blackley,1873
3. Autumnal Catarrh (Hay Fever);Wyman,1876
4. Pollen Survey of Indiana;Durham;J. Indiana M. A.,1929
5. Pollen Content of the Air;Duke;J. A. M. A.,1928