Forfatter
Wisconsin. State Board of Agriculture
3
West Bengal (India). Bureau of Applied Economics and Statistics
2
Cooperative Crop and Livestock Reporting Service (Wis.)
1
Federal-State Crop Reporting Service (Wis.)
1
Federal-State Crop and Livestock Reporting Service (Wis.)
1
Malaysia. Kementerian Pertanian. Bahagian Perancang & Pembangunan
1
Punjab (India). Land Records Dept
1
Wisconsin Cooperative Crop Reporting Service
1
Wisconsin. Dept. of Agriculture
1