Manual of Plant Diseases
Heald, Frederick Deforest
Manual of Plant Diseases - 2 - New York McGraw-Hill Book Co., Inc. 1933 - 953
Botanical sciences
Pure Sciences
Plant diseases
581.2 / H46M
Manual of Plant Diseases - 2 - New York McGraw-Hill Book Co., Inc. 1933 - 953
Botanical sciences
Pure Sciences
Plant diseases
581.2 / H46M