61. Number 556: Bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State Agricultural Experiment Station Publication Place: Geneva, N.Y. Date: 1928 Format: Issue
62. Number 557: Bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State Agricultural Experiment Station Publication Place: Geneva, N.Y. Date: 1928 Format: Issue
63. Number 558: Bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State Agricultural Experiment Station Publication Place: Geneva, N.Y. Date: 1928 Format: Issue
64. Number 559: Bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State Agricultural Experiment Station Publication Place: Geneva, N.Y. Date: 1928 Format: Issue
65. Number 560: Bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State Agricultural Experiment Station Publication Place: Geneva, N.Y. Date: 1928 Format: Issue
66. Number 561: Bulletin Collection: Core Historical Literature of Agriculture Publisher: New York State Agricultural Experiment Station Publication Place: Geneva, N.Y. Date: 1928 Format: Issue
67. Number 50: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1928 Format: Issue
68. Number 51: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1928 Format: Issue
69. Number 52: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1928 Format: Issue
70. Number 53: Farm economics Collection: Core Historical Literature of Agriculture Publisher: Cornell University. N.Y. State College of Agriculture Publication Place: Ithaca, N.Y. Date: 1928 Format: Issue