On Wed, Oct 14, 2015 at 11:12 AM, charlene martin <[log in to unmask]> wrote: > > I would like to write brief descriptive metadata on the back of my > photographs. > as a former photo-archivist I hope that these are copy photos used for reference purposes and not the originals. One should not mark on the back of original photos, but if you must please use the softest pencil lead available. Remember pencil can be removed, but ink can't. Ink is likely to bleed through http://pencils.com/hb-graphite-grading-scale/ Here is some information from the Library of Congress on the care, handling and storage of photographs https://www.loc.gov/preservation/care/photo.html -- Peter Kurilecz CRM CA IGP [log in to unmask] Dallas, Texas Save our in-boxes! http://emailcharter.org http://twitter.com/RAINbyte http://tech.groups.yahoo.com/group/RAINbyte/ http://paper.li/RAINbyte/rainbyte https://groups.google.com/d/forum/archives-in-the-news Information not relevant for my reply has been deleted to reduce the electronic footprint and to save the sanity of digest subscribers List archives at http://lists.ufl.edu/archives/recmgmt-l.html Contact [log in to unmask] for assistance To unsubscribe from this list, click the below link. If not already present, place UNSUBSCRIBE RECMGMT-L or UNSUB RECMGMT-L in the body of the message. mailto:[log in to unmask]