Access mail archives by date, thread, author and subject

period	re-sorted			messages
April 1996	by thread	by author	by subject	125
March 1996	by thread	by author	by subject	4
February 1996	by thread	by author	by subject	140
January 1996	by thread	by author	by subject	198
December 1995	by thread	by author	by subject	43