Fantastic list, many new to me.
Added in the annotations, but what about the various methods of using locations on notecards to organize them and do a “database” query with a rod inserted into the stack? Then the notched card database stuff https://hackaday.com/2019/06/18/before-computers-notched-card-databases/
Also, what about Dave Winer’s outline organizers? And tagging taxonomies?