Manual of Plant Diseases
Heald, Fredrick Deforest
Manual of Plant Diseases - 2 - New York Mcgraw Hill Book Company Inc 1933 - 953
Botanical sciences
Pure Sciences
Plant diseases
581.2 / H46M
Manual of Plant Diseases - 2 - New York Mcgraw Hill Book Company Inc 1933 - 953
Botanical sciences
Pure Sciences
Plant diseases
581.2 / H46M