I have just just learned from Rosemary Deem that if she and her colleagues use Royal Holloway, University of London as their institution when writing papers, citation indexes credit it to the University of London – and not Royal Holloway. If they leave out the comma, though, the index credits the citation to Holloway. Rosemary assumes, probably rightly, that this must apply to some other University of London colleges too – including Birkbeck, to which I am affiliated. There must be a lot of unclaimed citations out there. Isn’t this comma a strange thing for us to have to think about?