1. Factors affecting interference with Newcastle disease infection;Hanson;Am. J. Vet. Res.,1959
2. Interference between Newcastle disease and infectious bronchitis viruses;Hanson;Am. J. Vet. Res.,1956
3. Reactions between influenza virus and a component of allantoic fluid;Hardy;J. Exptl. Med.,1948
4. Newcastle disease: a serologic study in vaccination and revaccination;Markham;Cornell Vet.,1954
5. The Avian Embryo;Romanoff,1960