The "Canterbury Dictionary of Hymnology" is a new online (subscription) resource for students of Christian hymnology in all its forms. It's basically a completely new replacement for "Julian" - that big old book some of us have on our shelves! It has been a very long time in the making ... I see there are going to be some launch events in the USA this year; and you can find out more about the Dictionary on its website. I haven't yet subscribed, but it looks very interesting indeed.