(en) « Dai Koyamada », sur blackdiamondequipment.com (consulté le ).
climbingnarc.com
(en) « Dave Graham – Dreamtime », sur climbingnarc.com, (consulté le ) : « [...] The fact that Dreamtime was the first boulder in the world to have a suggested grade of V15 when Fred Nicole made the brilliant FA in 2000 is only the beginning of the controversy with this problem. Allegations of hold “improvement” through “aggressive brushing” have perhaps tainted the difficulty of recent repeats while Dave himself has maintained that it was always “only” V14. ».
(en) « Bernd Zangerl : efficient boulderer », sur zebloc.com (consulté le ) : « [...] Already in 2002 the first new hold appeared on this great boulder problem, but in the last few months somebody worked really hard on this granite. There are a few new holds and one is much better now. ».