Due to precautions for COVID-19, the Missouri State Library is not open to the public at this time, and therefore access to physical items in the federal documents collection will not be available. We apologize for the inconvenience.
HathiTrust is a partnership of academic and research institutions, offering a collection of millions of titles digitized from libraries around the world. HathiTrust holds a vast and growing collection of federal documents.
The National Institute of Standards and Technology (NIST) is a non-regulatory federal agency within the U.S. Department of Commerce. NIST's mission is to promote U.S. innovation and industrial competitiveness by advancing measurement science, standards, and technology in ways that enhance economic security and improve our quality of life. Find additional NIST publications through the NIST Research Library.