The first would be too much work, so the only the latter is possible.
Very sorry about that bad expression. I was not quite sure about what the "originals" meant. What Johan says is what I meant, I do not have the original edits respectively most or many of them I do not have.
1. I do not have most or many of the original edits / original edited versions (virtual copies), but I have the original imports (and images which I had imported to Lightroom / added to its catalog).
2. Yes, the ones I mentioned under 1. are there.
3. Unfortunately the most or many of them do not have the edits.
So I just have to import the tifs and export them with the desired settings. May be I should use another / new catalog only for these tifs? Or rather add some or one keyword to those imported tifs in the catalog I usually use?
Well, well, such can happen if one obviously does not use Lightroom correctly. If only I...