| Agriculture -- Economic aspects -- Minnesota. Matches 1 item |
| Agriculture -- Economic aspects -- New England -- History -- 19th century. Matches 1 item |
| Agriculture -- Economic aspects -- Russia (Federation) Matches 1 item |
| Agriculture -- Economic aspects -- Soviet Union. Matches 1 item |
| Agriculture -- Economic aspects -- Soviet Union -- History. Matches 1 item |
| Agriculture -- Economic aspects -- Spain -- Castile -- History. Matches 1 item |
| Agriculture -- Economic aspects -- Spain -- History. Matches 1 item |
| Agriculture -- Economic aspects -- Spain -- History -- 17th century. Matches 1 item |
| Agriculture -- Economic aspects -- United States. Matches 15 items |
| Agriculture -- Economic aspects -- United States -- History. Matches 2 items |