41. Series New, Volume 5, Number 3 - Teacher's Leaflet: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1909 Format: Issue
42. Series New, Volume 5, Number 4 - Teacher's Leaflet: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1909 Format: Issue
43. Series New, Volume 6, Number 1 - Teacher's Leaflet: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1909 Format: Issue
44. Series New, Volume 6, Number 2 - Teacher's Leaflet: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1909 Format: Issue
45. Volume 12, Number 1: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1909 Format: Issue
46. Volume 12, Number 2: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1909 Format: Issue
47. Volume 12, Number 3: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1909 Format: Issue
48. Volume 12, Number 4: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1909 Format: Issue
49. Volume 12, Number 5: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1909 Format: Issue
50. Volume 12, Number 6: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1909 Format: Issue
