LCCN--Library of Congress Control Number--eg "98013779"--, yes.  
LCC--Library of Congress Classification--eg BF575.H27 W35 1991--I don't 
think so.

Jonathan

Eric Hellman wrote:
> just catch up on the discussion here...
>
> for the benefit of those who aren't on the openurl list, it was pointed out
> that you can put lccn in a ContextObject using info uri's:
>
> rft_id=info:lccn/93004427
>