double red structural study straight and curved

Black chalk on off-white laid paper

Black, blue and green crayon on paper

Charcoal on gray-blue laid paper

Pastel on composition board

Red and black chalk on off-white tracing paper

Charcoal on blue-beige laid paper

Graphite and red pencil on off-white modern laid paper

Graphite on paper

Crayon and ink on paper

Graphite on paper

Black ink on off-white wove paper

Graphite on paper