Locals at Mexico City street market.

The local market in town of Taxco in Mexico.

Black and white photograph of the backyard of a building in Chillicothe, Missouri. In the photograph, the building has a sign which reads, "Dr. Pepper, Bud Dupy Mkt," known as Bud Dupy's Market, and a boy is seen walking toward the backyard with a…

Black and white photograph of Barbara McDonald, photographer Douglas Gilbert's girlfriend and later wife, standing outside a food market in Watertown, New York. In the photograph, Barbara is seen taking a pamphlet next to a sign that reads, " For…

Black and white photograph of a crowded market in a large dirt courtyard with buildings in the distance. Small stalls are set up around the market area and others simply have groups of baskets they are selling from. "The Market, Port au Prince,…