约 5,130,000 个结果
在新选项卡中打开链接
1860Farms Angus Cattle, Bulls, Cows, Heifers, Calves, Bred Angus …
Bred Cows For Sale | 1860Farms
Cow Families | 1860Farms
1860 Census: Agriculture of the United States
History of agriculture in the United States - Wikipedia
Rural Life in the Late 19th Century - Library of Congress
History of American Agriculture: Farm Machinery and Technology