Fragmented and disappeared comets
Cometas fragmentados y desaparecidos

Disappeared
C/1999 S4
C/2004 S1

Fragmented
51P
101P

205P

P/2004 V5
C/2005 A1
C/2005 K2
73 P

 

IAU List oficial "Split Comets":

http://cfa-www.harvard.edu/icq/ICQsplit.html