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Unknown. ca. 1925. “Mary Goodwin Lacy.” Special Collections, USDA National Agricultural Library. Accessed August 9, 2022, https://www.nal.usda.gov/exhibits/speccoll/items/show/1064.
Mary Goodwin Lacy has made at least two studies that are more exhaustive than any others made in their respective fields: A study and bibliography of the literature of maize and a study of Government food control and its results since 2800 B.C.