171. Volume 33, Index : Rural sociology Collection: Core Historical Literature of Agriculture Publisher: Rural Sociological Society Publication Place: Columbia, Mo. Date: 1968 Format: Issue
172. Volume 34, Number 1: Rural sociology Collection: Core Historical Literature of Agriculture Publisher: Rural Sociological Society Publication Place: Columbia, Mo. Date: 1969 Format: Issue
173. Volume 34, Number 2: Rural sociology Collection: Core Historical Literature of Agriculture Publisher: Rural Sociological Society Publication Place: Columbia, Mo. Date: 1969 Format: Issue
174. Volume 34, Number 3: Rural sociology Collection: Core Historical Literature of Agriculture Publisher: Rural Sociological Society Publication Place: Columbia, Mo. Date: 1969 Format: Issue
175. Volume 34, Number 4: Rural sociology Collection: Core Historical Literature of Agriculture Publisher: Rural Sociological Society Publication Place: Columbia, Mo. Date: 1969 Format: Issue
176. Volume 34, Index : Rural sociology Collection: Core Historical Literature of Agriculture Publisher: Rural Sociological Society Publication Place: Columbia, Mo. Date: 1969 Format: Issue
177. Volume 35, Number 1: Rural sociology Collection: Core Historical Literature of Agriculture Publisher: Rural Sociological Society Publication Place: Columbia, Mo. Date: 1970 Format: Issue
178. Volume 35, Number 2: Rural sociology Collection: Core Historical Literature of Agriculture Publisher: Rural Sociological Society Publication Place: Columbia, Mo. Date: 1970 Format: Issue
179. Volume 35, Number 3: Rural sociology Collection: Core Historical Literature of Agriculture Publisher: Rural Sociological Society Publication Place: Columbia, Mo. Date: 1970 Format: Issue
180. Volume 35, Number 4: Rural sociology Collection: Core Historical Literature of Agriculture Publisher: Rural Sociological Society Publication Place: Columbia, Mo. Date: 1970 Format: Issue