1. Liquid crystalline preparations of potato virus X;Bawden;Brit. J. Exptl. Pathol.,1938
2. Partial purification and electron microscopy of tomato spotted-wilt virus;Black;Phytopathology,1952
3. Zonal separations by density-gradient centrifugation;Brakke;Arch. Biochem. Biophys.,1953
4. Zone electrophoresis of dyes, proteins and viruses in density-gradient columns of sucrose solutions;Brakke;Arch. Biochem. Biophys.,1955
5. Properties, assay, and purification of wheat streak mosaic virus;Brakke;Phytopathology,1958