21. Series New, Volume 2, Number 2 - Insect Study: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
22. Series New, Volume 2, Number 2, Supplement - Tree Study: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
23. Series New, Volume 2, Number 3 - Plant Study: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
24. Series New, Volume 2, Number 3, Supplement - Fish Study: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
25. Series New, Volume 2, Number 4 - Insect Study: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
26. Series New, Volume 2, Number 4, Supplement - Fish Study: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
27. Series New, Volume 3, Number 1: Home nature-study course Collection: Core Historical Literature of Agriculture Publisher: s.n. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
28. Volume 6, Number 1: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
29. Volume 6, Number 2: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
30. Volume 6, Number 3: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
31. Volume 6, Number 4: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
32. Volume 6, Number 5: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
33. Volume 6, Number 6: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
34. Volume 6, Number 7: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
35. Volume 6, Number 8: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
36. Volume 6, Number 9: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
37. Volume 6, Number 10: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
38. Volume 6, Index : Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1906 Format: Issue
39. Volume 12, Supplement , Index , Part 10 - Tenth Part of Index to North American Mycology: Journal of mycology Collection: Core Historical Literature of Agriculture Publisher: s.n Publication Place: Columbus, Ohio Date: 1906 Format: Issue
40. Volume 12, Supplement , Index , Part 11 - Eleventh Part of Index to North American Mycology: Journal of mycology Collection: Core Historical Literature of Agriculture Publisher: s.n Publication Place: Columbus, Ohio Date: 1906 Format: Issue