Cow Horn Turnips
A large, long-rooted, white turnip, largely used for stock feeding. Pkt., 10c; oz., 15c; ¼ lb., 30c; lb., 90c. By E. or F., lb., 80c; 5 lbs., at 75c; 10 lbs., at 70c.
Originally listed in: 1927 Henry Fields Catalog

Cow Horn Turnips
Long, white, in shape resembling a cow's horn. Pkt., 5c; oz., 10c; ¼ lb., 20c; lb., 50c
Originally listed in: 1904 Thorburn's Seeds

Cow Horn Turnips
Sometimes called Long White. It is pure white with a little shade of green on top. Well flavored and of rapid growth. Fine for fall and early winter use. Very valuable as a soil enricher; to improve worn-out land. Pkt. 5C; oz. 15C; 2 oz. 25C; ¼ lb. 45C; ½ lb. 85C; lb. $1.60
Originally listed in: Great Northern Seed Co. 1918

Cow Horn Turnips
A white turnip of peculiar long shape and quick maturity. It grows to a large size, standing half out of the ground. It is fine flavored and desirable. Cow Horn turnip, sown in connection with Rape, is one of the newly recommended things for green manuring purposes.
Originally listed in: Porter and Sons mid-20th-century pricelist