1. A cumulative annotated bibliography on atmospheric pollution;American Meteorological Society;Meterological Abstracts and Bibliography.,1950a
2. A cumulative annotated bibliography on aerobiology;American Meteorological Society;Meteorological Abstracts and Bibliography.,1950b
3. The use of radioactive phosphorus in translocation studies;Colwell;Amer. Jour. Bot.,1942
4. Drift of sprays, dusts, spores;Colwell;California Agric.,1949