21. Volume 29, Number 1: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1955 Format: Issue
22. Volume 29, Index : Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1955 Format: Issue
23. Volume 29, Number 2: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1955 Format: Issue
24. Volume 29, Number 3: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1955 Format: Issue
25. Volume 29, Number 4: Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1955 Format: Issue
26. Volume IV, Number 1: Arkansas farm research Collection: Core Historical Literature of Agriculture Publisher: Agricultural Experiment Station, University of Arkansas Publication Place: Fayetteville, Ark. Date: 1955 Format: Issue
27. Volume IV, Number 2: Arkansas farm research Collection: Core Historical Literature of Agriculture Publisher: Agricultural Experiment Station, University of Arkansas Publication Place: Fayetteville, Ark. Date: 1955 Format: Issue
28. Volume IV, Number 3: Arkansas farm research Collection: Core Historical Literature of Agriculture Publisher: Agricultural Experiment Station, University of Arkansas Publication Place: Fayetteville, Ark. Date: 1955 Format: Issue
29. Volume IV, Number 4: Arkansas farm research Collection: Core Historical Literature of Agriculture Publisher: Agricultural Experiment Station, University of Arkansas Publication Place: Fayetteville, Ark. Date: 1955 Format: Issue
30. Number 918: Bulletin Collection: Core Historical Literature of Agriculture Publisher: Cornell University Agricultural Experiment Station, New York State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1955 Format: Issue