Untitled (blank, left page); Untitled (string section in orchestra, right page)

Graphite on verso of letter

Black and colored crayons on paper

Graphite and colored pencils on paper

Black crayon on paper

Colored marker and black pen on paper

Colorer marker (transfer) on paper

Watercolor on paper

Black crayon on paper

Black crayon on paper

Black crayon on paper

Black, blue and yellow crayon on paper

Recto: transparent and opaque watercolor, black and blue inks, graphite, tea and oil on white wove paper; verso: transparent watercolor and tea on white wove paper