Manual of plant diseases
Heald, Frederick, Deforest
Manual of plant diseases - 2nd ed. - London: McGraw-Hill Book Company, Inc., 1933 - xii, 953p.
Plant diseases
Pathology Parasitic
Manual of plant diseases - 2nd ed. - London: McGraw-Hill Book Company, Inc., 1933 - xii, 953p.
Plant diseases
Pathology Parasitic