Doughnuts: A Delicious History: Rise of the Doughnut Industry

This collection consists of ephemeral materials gathered by Sally L. Steinberg while she was researching her 1987 publication, The Donut Book: The origins, history, literature, lore, taste, etiquette, traditions, techniques, varieties, mathematics, mythology, commerce, philosophy, cuisine, and glory of the donut.

The Lower Manhattan Historical Association reports on the advance of doughnuts in New York.

The Doughnut Corporation of America, or DCA, grew out of a small baking business in New York City owned by Adolph Levitt. Levitt made his way to New York City from Milwaukee in 1916 where he opened his first bakery in Harlem that grew into the Mayflower Coffee Shop chain.