duction qualities, introduce a uni terminology, and control pullorum sease; how flocks may meet req ments of three pullorum-control classes and five progressive breeding stages. (48 frames) The Nature of Plant Diseases U.S. Department of Agriculture
Looking up duction qualities, introduce a uni terminology, and control pullorum sease; how flocks may meet req ments of three pullorum-control classes and five progressive breeding stages. (48 frames) The Nature of Plant Diseases U.S. Department of Agriculture on Wikipedia…
Filmography in the catalog
Credited on 1 film (1939) — matched by name in the Creator or Credits field.