Seems to me that, if you're going to have volunteers scanning the slides anyway, you'd want to transcribe the information on the
face of the slide mount to a database with some organized format so that any missing information about the image could be added.
(often something in the background is significant to a researcher).
This would make the collection searchable.... something that is going to be rather difficult with handwritten images of the slide mounts.
Perhaps a preamble can be made showing examples of Soph Marty's slide notations to record it for history and to convey a sense of the man
through his own hand....
Charlie Vlk