From the collection of the Metropolitan Museum of Art in New York City, here is the image "Cow's Skull: Red, White, and Blue", a painting by American artist Georgia O'Keefe.

An image of "Village Scene with Figures and Cows", created by Jan the Elder Brueghel in 1609 (Oil on copper, 11 x 17 cm).

An image of "A Horse and Cows in a Landscape", created by Abraham Van Calraetz (Oil on panel, 28 x 40 cm).

An image of "A Cow and Three Sheep", created by Adriaen Van De Veldez (Red chalk, 195 x 310 mm).

Russian artists and poets working during a turbulent decade in Russian history, the 1910s, produced books that combined visuals with short poems as an expression of their uncertainty about Russia's past, present, and future.

This is a great farm animal research site for grades 1-3 students as well as a teacher resource. It has information about cows, sheep, ducks, turkeys and chickens and includes songs, clip art, activities as well as lesson plans.

An image of "Three Cows", created by Pisanello during the 1430's (Silver point, pencil and pen, 176 x 226 mm).

An image of "Landscape with Two Cows and a Goat", created by Paulus Potter in 1652 (Oil on panel, 31 x 35 cm).

An image of "Children and a Cow", created by Aelbert Cuyp during the 1640's (Oil on wood, 44 x 55 cm).

An image of "Meadow with Cows and Herdsmen", created by Aelbert Cuyp from 1641-43 (Oil on oak, 49 x 74 cm).

An image of "Cows and Sheep at a Stream", created by Karel Dujardin from 1655-56 (Oil on canvas, 52 x 43 cm).

An image of "Cow, Goats and Sheep in a Meadow", created by Willem Romeijnz (Oil on canvas, 66 x 90 cm).

An image of "Landscape with Cows and Sheep", created by Anthonie Van Borssomz (Oil on canvas, 67 x 64 cm).