Six Color Studies for Cube 2023
Gouache on paper 45.7 x 60.9 cm
Collection of the artist

Two Rough Study for Strengthened 2012
Watercolor pencils on paper each 23 x 30 cm
Collection of the artist

Two Rough Study for Diptych Joy of the Spirit 2009
Gouache on paper 45.7 x 60.9 cm
Collection of the artist

Grasshopper 2004
Gouache on paper 45 x 42 cm
Collection of the artist

Sketch for "Reflection" 2016
Acrylic 45 x 61 cm
Private collection