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MARC Problems

1,086 bytes added, 16:56, 29 September 2009
Things Difficult or Impossible to Do With Our Data
How do I know if a 730 is a uniform title for this work, or a related work?
 
== Figuring out 'form' of work in general ==
 
At first you see that maybe you can do this with an 006. Look, it's got a first byte that tells you if it's a 'book', 'musical recording', 'non-musical recording', etc. But then you realize that most records don't have 006's. What are the rules for what record will have an 006 and what won't? I have no idea where to find them.
 
Where in the MARC record does it tell you this sort of thing? Seems to be spread out across a buncha different fields, with what fields will be present in a given record kind of hard to predict.
 
Telling the user if something is a 'book' or a 'musical recording' is a pretty useful thing to do, no? I believe it's possible from MARC, but it's sure not simple, and I'm not sure becuase I haven't figured it out yet.
 
Okay, wait, I didn't want the 006 at all, I really wanted the 008. Okay... The 008 tells me the bytes mean something different depending on whether the record is a "Book", "Music", "Computer File", etc. Where do I tell which it is, to see what the bytes mean? Still working on it.
= Marc and Cooperativing Cataloging: False Economies=

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