Jon [Page in ERO's sketchbook.]
[Page in ERO's black book.]
[Page in ERO's piece book.]
Jonone 156 [Page in ERO's black book.]
[Tagged page in ERO's black book.]
[Page in ERO's sketchbook.]
JONSKI [Page in ERO's black book.]
ERO 1983 [Page in ERO's sketchbook.]
[ERO's black book.]
ERO [Page in ERO's sketchbook.]