Proquest Statistical Abstract of the United States 2021: The National Data Book (Hardcover)
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ProQuest connects people with vetted, reliable information. Key to serious research, the company has forged a 70-year reputation as a gateway to the world's knowledge - from dissertations to governmental and cultural archives to news, in all its forms. Its role is essential to libraries and other organizations whose missions depend on the management and delivery of complete, trustworthy information. The company is headquartered in Ann Arbor, Michigan, with offices around the world.