Leading Photo archives - and with Mystery Photo's
Dead Fred
Ancient Faces
On Dating Photos -very helpful people - very good sites
Taryn http://www.geocities.com/cartedevisites/
Greg http://www.acay.com.au/~gsm/DatingPhotos.html
Roger http://www.rogerco.freeserve.co.uk/index.htm
and also
http://articles.scrapbooking.com/family_matters_Oct98.htm
http://www.cartes.fsnet.co.uk/date/main.htm
the BBC history site has a Guide to Victorian Studio Photographs:-
http://www.bbc.co.uk/history/programmes/blood/family_1.shtml
Also search for 'old photos' in www.google.com
and if you have Studio names search google or inspect trade directories
Index of UK photographers up to 1950
They have a discussion list. How to subscribe. Just send a note with "subscribe" in the body to UK-PHOTOGRAPHERS-L-request@rootsweb.com.
Similarly mailto:VINTAGE-PHOTOS-D-request@rootsweb.com