>1.  How does a user obtain a list of **all** lists they are subscribed to?
 
They previously stored each subscription acknowledgement in a notebook.
 
>2.  Is this documented?
 
Yes, when you received the acknowledgement.
 
Actually, there is only a (documented) partial way:
 
Q *
 
to each LISTSERV node that you think you have a subscription.
 
/Pete Weiss