References to the Astrographic Observations, US Naval Observatory at Flagstaff

----------------------------------------------------------------

US Naval Observatory at Flagstaff

         sent via e-mail by Alice Monet, 1994 Jul 6;
                            Ron Stone, 1995 Dec 13
                            Ron Stone, 1997 Oct 21
                            Ron Stone, 1998 Jun 3
                            Ron Stone, 1998 Jul 21
                            Ron Stone, 1998 Aug 3

----------------------------------------------------------------

Bordeaux Observatory

         sent via e-mail by Michel Rapaport, 1998 Jun 23

----------------------------------------------------------------

McDonald Observatory, U of Texas

         sent via e-mail by Peter Shelus, 1997 Mar 26

----------------------------------------------------------------