The used URLs were:

   http://www.rrz.uni-hamburg.de/RRZ/G.Loeh/gc/status.html 
   http://www1.uni-hamburg.de/RRZ/G.Loeh/gc/status.html 
   http://www.loeh.name/guenter/gc/status.html
   http://guenter.loeh.name/gc/status.html 

   Added are five copies provided by Guenter Loeh.

   GC-GL00   December 29, 2000.  (http://www.prothsearch.com/GC-Earliest.html)
   GC-GL01   March 23, 2002.
   GC-GL02   August 5, 2002.
   GC-GL03   December 30, 2002.
   GC-GL04   January 29, 2003.   (Loeh)
   GC-GL05   March 9, 2003.
   GC-GL06   August 29, 2003.

   Including contributions by other searchers 
   GC-GL07   November 6, 2003.
   GC-GL08   March 21, 2004.
   GC-GL09   May 17, 2004.
   GC-GL10   June 28, 2004.
   GC-GL11   September 21, 2004.
   GC-GL12   October 10, 2004.
   GC-GL13   November 20, 2004.
   GC-GL14   December 13, 2004.
   GC-GL15   December 31, 2004.
   GC-GL16   February 17, 2005.
   GC-GL17   April 11, 2005.
   GC-GL18   June 6, 2005.
   GC-GL19   August 15, 2005.
   GC-GL20   August 24, 2005.
   GC-GL21   September 1, 2005.
   GC-GL22   September 19, 2005.
   GC-GL23   December 31, 2005.
   GC-GL24   December 30, 2006.  (Loeh)
   GC-GL25   May 7, 2007.
   GC-GL26   December 29, 2007.  (Loeh)
   GC-GL27   March 3, 2008.
   GC-GL28   April 16, 2008.
   GC-GL29   April 30, 2011.
   GC-GL30   December 29, 2011.  (Loeh)
   GC-GL31   December 28, 2012.  (Loeh)
   GC-GL32   August 19, 2013.
   GC-GL33   July 17, 2014.
   GC-GL34   August 14, 2018. 
   GC-GL35   November 23, 2019.