21. Volume 10, Number 3: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1907 Format: Issue
22. Volume 10, Number 4: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1907 Format: Issue
23. Volume 10, Number 5: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1907 Format: Issue
24. Volume 10, Number 6: Plant world Collection: Core Historical Literature of Agriculture Publisher: Plant World Association Publication Place: Baltimore, Md. Date: 1907 Format: Issue
25. Series New, Volume 4, Number 1: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1907 Format: Issue
26. Series New, Volume 3, Number 2: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1907 Format: Issue
27. Series New, Volume 3, Number 3: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1907 Format: Issue
28. Series New, Volume 3, Number 4: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1907 Format: Issue
29. Series New, Volume 3, Number 4, Supplement - A Letter to Apprentice Gardeners from Uncle John Explaining the Relation Between the Tropic of Cancer and the Planting of the Garden: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1907 Format: Issue
30. Volume 7, Number 1: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1907 Format: Issue