I've have not tried these guys but they have labels
http://www.labelmaster.com/index.cfm...&itemid=616062
http://www.filmtools.com/donx60yds.html

Or you can try to print out Kodak's label but I don't know how it would look in B&W
http://motion.kodak.com/US/en/motion...xrays_h340.htm