I’ve seen a documentary called the King of Record Collectors about a dude who collects pre-war 78s. A bit of an individual character, you can tell he loves the music though, covers pretty much anything you mentioned. Nice to see an original Robert Johson shellac record, they must all be worth thousands.
I have been listening to a 3-CD set called the First Rock N Roll Record. Goes right back to the start of recorded music really, cataloguing early blues and R&B - anything that can be tied to rock n roll as we know it now. All originals, some amazing stuff on there. Pretty much stops with Bill Haley / Elvis / Carl Perkins.