711. Volume 30, Number 1: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1956 Format: Issue
712. Volume 30, Number 2: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1956 Format: Issue
713. Volume 30, Number 3: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1956 Format: Issue
714. Volume 30, Number 4: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1956 Format: Issue
715. Volume 30, Index : Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1956 Format: Issue
716. Volume 31, Number 1: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1957 Format: Issue
717. Volume 31, Index : Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1957 Format: Issue
718. Volume 31, Number 2: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1957 Format: Issue
719. Volume 31, Number 3: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1957 Format: Issue
720. Volume 31, Number 4: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1957 Format: Issue