James Frysinger wrote in USMA 22055:

>       Perhaps the very complex Library of Congress (LOC) classification
>scheme is the antithesis of the Dewey Decimal System. I've never
>understood the LOC system. Yet, that seems to be the system preferred by
>large libraries. As far as I can tell, there's not a whole lot about it
>that is decimal!
>
>Jim


I suspect it is due to libraries being able to buy already printed 
card catalog cards from the Library of Congress that have the Library 
of Congress class number on them.  It saves the local library from 
having to figure out the class number to assign to a new book.
-- 
Joseph B. Reid
17 Glebe Road West
Toronto  M5P 1C8             Tel. 416 486-6071

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