31. Number 12 - Waiting for Spring: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1901 Format: Issue
32. Number 15 - The Butterfly: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1901 Format: Issue
33. Number 18 - The Potato: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1901 Format: Issue
34. Index , Edition First Reprint - Index to North American Mycology: Journal of mycology Collection: Core Historical Literature of Agriculture Publisher: s.n Publication Place: Columbus, Ohio Date: 1901 Format: Issue
35. Volume 4, Index : Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1901 Format: Issue
36. Volume 4, Number 1: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1901 Format: Issue
37. Volume 4, Number 2: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1901 Format: Issue
38. Volume 4, Number 3: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1901 Format: Issue
39. Volume 4, Number 4: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1901 Format: Issue
40. Volume 4, Number 5: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1901 Format: Issue
