Clamp X 1999

Éditions Delcourt

X - 1999 - Double Vol.2                          

Éditions Delcourt

X - 1999 - Double Vol.6                          

Viz Communications,U.S.

X/1999 Prelude                                  

Asuka Comics

X 1999 - Perfect Book (The Movie Animation)      

Tōkyō : Kadokawa Shoten, 2009.

Artbook & Guide - incl. X/1999 18.5: All About CLAMP

Viz

X/1999 4: Intermezzo                            

Viz

X/1999 15: Waltz                                

Asuka Comics in 1997: X Clamp: Their Destiny was Foreordained, 1999 (Vol. 10) (Ekkusu) (in Japanese) (Japanese Edition)

X/1999 Interlude by CLAMP (October 08,2003)      

Éditions Delcourt

X - 1999 - Double Vol.5