Physiologic races of Puccinia recondita f. sp. tritici in the United States from 1926 through 1960

Bibliography: p. 18.

Pathogenic specialization in cereal rust fungi, especially Puccinia recondita f. sp. tritici: concepts, methods of study, and application

Issued in cooperation with Kansas Agricultural Experiment Station.

Identifying races of Puccinia graminis f. sp. avenae; a modified international system

Bibliography: p. 19-23.