31. 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
32. 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
33. 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
34. 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
35. 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
36. 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
37. 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
38. 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
39. 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
40. 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