So, right now I’m trying to get through my research that includes: (Not in any particular notation style or order.)
The Measure of All Things, Ken Adler (A history of the development of the metric system) 350 pages without notes. 2002
A History of the Metric System Controversy in the United States, U.S. Metric Study Interim Report (Covers 1790 to 1968) 268 pages without appendixes. 1971
Getting a Better Understanding of the Metric System: Implications if Adopted by the United States, Comptroller of the United States (Says we should adopt) 700 pages without annexes. They’re word, not mine. 1978
A Metric America: A Decision Whose Time Has Come, (Title pretty much says it all) Report to Congress, Daniel De Simone, 148 pages. 1971
Metric Transition in the United States, Volumes 1 & 2, National Science Foundation, about 238 pages to read. 1979
Measuring America: How an Untamed Wilderness Shaped the United States and Fulfilled the Promise of Democracy, Andro Linklater (Has bits about the metric system in it.) 266 pages without appendixes, notes, and index. 2002.
Smoots Ear: The Measure of Humanity, Robert Tavernor, (History of measurement systems) 192 pages, 2007
There’s more of course. I also have lots of articles from newspapers and other documents.
Just in case you want to read along……
I also owe a HUGE thanks to the Los Alamos Public Library System for all the help I’ve gotten acquiring these and other documents.