Untitled (adhered photocopy of sketch of "Davy-Lampe," left page); Untitled (adhered photocopy of notes and design for mining lamp sculpture, right page)

Black and red marker on paper

Black crayon on paper

Colored crayons on paper

Black and red marker on paper

Ink with blue and green watercolor on paper

Graphite on envelope

Black crayon on paper, mounted

Graphite on paper

Blue marker and black pen on paper

Red, purple, and blue crayon ; black, blue and yellow crayon on paper

Black and red marker on paper

Graphite on paper