1. Volume 2, Number 1: Transactions of the American Entomological Society Collection: Core Historical Literature of Agriculture Publisher: American Entomological Society Publication Place: Philadelphia Date: 1868 Format: Issue
2. Vol. 19, No. 01 (Whole No. 937), January 4, 1868 - No. 52 (Whole No. 988), December 26, 1868: Rural New Yorker Collection: Core Historical Literature of Agriculture Publisher: Rural Publishing Co. Publication Place: New York Date: 1868 Format: Issue
3. Volume 4, Number 1: American bee journal Collection: Core Historical Literature of Agriculture Hive and the Honeybee Publisher: Dadant & Sons Publication Place: Hamilton, Ill., etc. Date: 1868 Format: Issue
4. Volume 4, Number 2: American bee journal Collection: Core Historical Literature of Agriculture Hive and the Honeybee Publisher: Dadant & Sons Publication Place: Hamilton, Ill., etc. Date: 1868 Format: Issue
5. Volume 4, Number 3: American bee journal Collection: Core Historical Literature of Agriculture Hive and the Honeybee Publisher: Dadant & Sons Publication Place: Hamilton, Ill., etc. Date: 1868 Format: Issue
6. Volume 4, Number 4: American bee journal Collection: Core Historical Literature of Agriculture Hive and the Honeybee Publisher: Dadant & Sons Publication Place: Hamilton, Ill., etc. Date: 1868 Format: Issue
7. Volume 4, Number 5: American bee journal Collection: Core Historical Literature of Agriculture Hive and the Honeybee Publisher: Dadant & Sons Publication Place: Hamilton, Ill., etc. Date: 1868 Format: Issue
8. Volume 4, Number 6: American bee journal Collection: Core Historical Literature of Agriculture Hive and the Honeybee Publisher: Dadant & Sons Publication Place: Hamilton, Ill., etc. Date: 1868 Format: Issue
9. Volume 3, Index : American bee journal Collection: Core Historical Literature of Agriculture Hive and the Honeybee Publisher: Dadant & Sons Publication Place: Hamilton, Ill., etc. Date: 1868 Format: Issue
10. Volume 3, Number 7: American bee journal Collection: Core Historical Literature of Agriculture Hive and the Honeybee Publisher: Dadant & Sons Publication Place: Hamilton, Ill., etc. Date: 1868 Format: Issue