Public domain
Albany, California. U.S. Department of Agriculture western regional agricultural research laboratory. Blindfold test for flavor of cooked dehydrated spinach
From the collection of Library of Congress. Free to download, adapt and use — no permission needed.
Credit lineAlbany, California. U.S. Department of Agriculture western regional agricultural research laboratory. Blindfold test for flavor of cooked dehydrated spinach. 1942-01-01. Lee, Russell. Farm Security Administration/Office of War Information Collection, Library of Congress. Public domain.