1999/07: Earth X (1999) #004 s01 --- Chapter Four

1999/08: Earth X (1999) #005 s01 --- Chapter Five

1999/09: Earth X (1999) #006 s01 --- Chapter Six

1999/10: Earth X (1999) #007 s01 --- Chapter Seven

1999/10: Earth X (1999) #007 s02 --- Appendix To Chapter Seven

1999/11: Earth X (1999) #008 s01 --- Chapter Eight

2000/04: Earth X (1999) #012 s01 --- Chapter Twelve

2000/10: Universe X (2000) #001 s01 --- Chapter 1

2001/07: Universe X (2000) #010 s01 --- Chapter 10

2001/09: Universe X (2000) #012 s01 --- Chapter 12

2002/07: Paradise X Special - Xen (2002) #001 s01 --- Xen

2002/09: Paradise X (2002) #004 s01 --- Issue 4