31. Volume 3, Number 4: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1904 Format: Issue
32. Volume 4, Number 1: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1905 Format: Issue
33. Volume 4, Number 1, Supplement : Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1905 Format: Issue
34. Volume 4, Number 2: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1905 Format: Issue
35. Volume 4, Number 3: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1905 Format: Issue
36. Volume 4, Number 3, Supplement : Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1905 Format: Issue
37. Volume 4, Number 4: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1905 Format: Issue
38. Volume 4, Number 4, Supplement : Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1905 Format: Issue
39. Volume 4, Number 5: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1905 Format: Issue
40. Volume 4, Number 6: Boys and girls: a nature study magazine Collection: Core Historical Literature of Agriculture Publisher: Stephens Pub. Publication Place: Ithaca, N.Y. Date: 1905 Format: Issue