The seven brothers had been trading cotton, lumber and grain for years so owning their own ships was a natural extension of their operations.

In the seventh century B.C. the Scythians traded grain and their services as mercenaries in return for Greek wine and luxury items.

"They will trade grain, dyes, and fibers for tools and glass."

The same woman who insulted Skylar's father earlier in the episode comes in to trade grain for a quarter-pound of meat.

The Minneapolis Chamber of Commerce was founded in 1881 as a market to trade grain.

The Genoese also had a consular presence in Chilia as early as 1322 where the consul served the interests of the merchants trading grain, honey, and other goods.

They traded cloth, grain, copper, papyrus, and gems for items such as myrrh, ebony, ivory, and wild animals.

There was starvation in the Urals, and Dr. Hammer offered to trade American grain for Russian furs and caviar.

Well, they bought our wheat so that they could trade good American grain for worthless roubles, right?

Another stamp showed Polish and Danzig merchants trading grain.