1. Relationship between the lettuce big-veils virus and its vector, Olpidium brassicae;Campbell;Nature,1962
2. Acquisition and transmission of lettuce big-vein virus by Olpidium brassicae;Campbell;Phytopathology,1964
3. Relationship of Olpidium brassicae to tobacco necrosis and lettuce big-vein viruses;Fry;Phytopathology,1964
4. Fungicidal properties of some carbonic and thiocarbonic acid derivatives of hydrazine;Gausman;Botan. Gaz.,1953
5. The association of Olpidium with the big-vein disease of lettuce;Grogan;Phytopathology,1958