Ray thinks for a minute; eventually he shakes his head. "No, I don't think I remember seeing them in the TARDIS records that Romana's let me have access to," he says. "Which is probably the only place I'd be able to get my hands on that kind of information, so you're probably right. Good luck dealing with them. I'd offer to help if a, I thought it'd make a difference, and b, I didn't have a duty of my own to pursue as soon as the Bar lets me out the door again."