1.
Essential Plant Pathology, Second Edition
by Gail L. Schumann, Cleora J....
ISBN: 9780890543818
List Price: $89.95
2.
Hungry Planet : Stories of Plant Diseases
by Schumann, Gail L., D'Arcy, ...
ISBN: 9780890543993
List Price: $69.00
3.
Plant Diseases: Their Biology and Social Impact
by Gail Schumann
ISBN: 9780890541166
List Price: $52.00
4.
5.
Ipm Handbook for Golf Courses
by Schumann, Gail L., Vittum, ...
ISBN: 9781575040653
List Price: $95.00
6.
Emerging and Reemerging Plant Diseases Slide Set
by Schumann, Gail L.
ISBN: 9780890542378
List Price: $172.00