Question concerning sharing intellectual and personal information?

[Leon]

I have some old hobby documents I have been sharing with the board and a lot of folks enjoy them as much as I do. That being said, is there a time when those documents should be kept private, even though they were obtained very above board and legally, with respect to them being personal conversations between hobby icons? Of course the fact they are well known people isn't necessarily the issue, it's the general nature I am pondering.
Does the fact that most of the folks are deceased matter? Does it matter that the subject matter is not too personal and is discussing mostly hobby events and research? Are there legal issues involved? Almost all of the documents are over 30 yrs old.

Those issues, and probably some others too, are the nature of my concerns. I am certainly leaning towards continuing to share but just thought I would solicit some feedback.