And I think you are on the right track, to start with the wrist Memos…
Further down the road maybe pick up one or two.
Or in my case try to snatch everything that has an alarm, LOL!
As Nicolas explained, first came the wrist Memo and then came the pocket.
The Mother of them all looked something like this:

Thank you, HS – hope to bring some documents to Paris for you to see in person.
Best
Blomman