41. 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
42. 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
43. 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
44. Volume 12, Number 81: Journal of mycology Collection: Core Historical Literature of Agriculture Publisher: s.n Publication Place: Columbus, Ohio Date: 1906 Format: Issue
45. Volume 12, Number 82: Journal of mycology Collection: Core Historical Literature of Agriculture Publisher: s.n Publication Place: Columbus, Ohio Date: 1906 Format: Issue
46. Volume 12, Number 83: Journal of mycology Collection: Core Historical Literature of Agriculture Publisher: s.n Publication Place: Columbus, Ohio Date: 1906 Format: Issue
47. Volume 12, Number 84: Journal of mycology Collection: Core Historical Literature of Agriculture Publisher: s.n Publication Place: Columbus, Ohio Date: 1906 Format: Issue
48. Volume 12, Number 85: Journal of mycology Collection: Core Historical Literature of Agriculture Publisher: s.n Publication Place: Columbus, Ohio Date: 1906 Format: Issue
49. Volume 12, Number 86: Journal of mycology Collection: Core Historical Literature of Agriculture Publisher: s.n Publication Place: Columbus, Ohio Date: 1906 Format: Issue
50. Volume 12, Index : Journal of mycology Collection: Core Historical Literature of Agriculture Publisher: s.n Publication Place: Columbus, Ohio Date: 1906 Format: Issue