I think it is sometimes referred to as, Mosaic Law. I think Jesus sort of taught we should go with Caesar though.
Who gives a shit what book or document put their hand on? It's completely irrelevant. Either they will adhere to the oath they are taking, or they won't. The book involved doesn't affect that, at all. barfo
If someone wanted to swear their oath on a telephone book of their constituents I think that would actually be pretty cool.