For those who got curious like me have a look at:
http://300m.us/docs/computing/SA-3.0a/TOC.htm
I am not familiar with how libraries work in the US. Can anyone get a library card with Library of Congress? They have the floppy images:
https://www.worldcat.org/title/spontaneous-assembly-for-cc-a...
EDIT: http://300m.us/docs/computing/ Has a link for purchase which 404 but to an existing site. Maybe Kevin is the friendly type?