In response to Dan Scott's comment # 5, perhaps it should be restructured, but I'd like to point out that many (most?) ISBNs have the qualifier that is now in subfield q tacked on to subfield a. It's one of the things that made parsing ISBN data from MARC a bit tricky in the past.
In response to Dan Scott's comment # 5, perhaps it should be restructured, but I'd like to point out that many (most?) ISBNs have the qualifier that is now in subfield q tacked on to subfield a. It's one of the things that made parsing ISBN data from MARC a bit tricky in the past.