3. Allan Holmberg and a peasant in a crop land plot Collection: Vicos Collection Location: Vicos Ancash Date: 1955 Format: Image
4. 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
5. Volume 29, Index : Agricultural history Collection: Core Historical Literature of Agriculture Publisher: Agricultural History Society Publication Place: Fargo, N.D. Date: 1955 Format: Issue
6. 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
7. 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
8. 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
9. 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
10. 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