date, thread *&* author indices?

I'd like to have an author-sorted index in addition to a date and a
thread index (3 indices).  Is there a way to do this with the AUTHSORT
resource?

thanks.
--Rob

-- 
Rob Lingelbach          |  2660 Hollyridge Dr., Los Angeles, CA 90068
rob(_at_)alegria(_dot_)com      | "I care not much for a man's religion whose 
dog or 
rob(_at_)info(_dot_)com         |  cat are not the better for it."  --Abraham 
Lincoln
rob(_at_)cloister(_dot_)org             KB6CUN   http://www.alegria.com