1. Parasitism, morphology and cytology of Cronartium;Colley;Journal of Agricultural Research,1918
2. Some factors affecting viability of the urediniospores of Cronartium ribicola;Duff;Phytopathology,1918
3. Negative helioptropism of urediniospore germ tubes;Fromme;American Journal of Botany,1915
4. Scanning electron microscopy of Cronartium spores;Grand;Canadian Journal of Botany,1972
5. The fine structure of Uromyces appendiculatus in its host Phaseolus vulgaris;Hardwick,1969