1.   Also at Aurel Scheibler, there is a corridor of portrait drawings and prints by artists ranging from James Ensor to Kai Althoff.

2.   For the royalty of this era, portrait drawings were as popular as family photographs are now.

3.   He also appears as a playful traditionalist doing variations on Cezanne or Cubism and, in a series of late portrait drawings, as a follower of Rembrandt.

4.   He also drew friends for pleasure, but generally he regarded portrait drawing of this sort as a waste of time.