1. Larson, R. H., and Walker, J. C. 1941. Will ring rot attack the tomato crop? Wis. Agr. Exp. Sta. Bull. 451: 64–65.
2. — 1944. The ring rot bacterium in relation to tomato and eggplant. Jour. Agr. Res. 69: 309–325.
3. — 1943. If potatoes show ring rot, change fields. Wis. Agr. Exp. Sta. Bull. 460: 43–44.
4. — 1942. How can one identify ring rot of potatoes? Wis. Agr. Exp. Sta. Bull. 455: 49–50.
5. Reddick, D. 1943. Development of blight-immune varieties. Amer. Potato Jour. 20: 118–126.