Timber Truss, Nave Roof, Santa Croce, Florence

Black ink, blue and white gouache, and blue watercolor on off-white illustration board

Paper collage and gouache

Graphite on buff wove paper

Graphite on paper

Charcoal on brown wove paper

Oil on white primed paper

Metalpoint and gold leaf on white wove paper prepared with white acrylic gesso

Oil, watercolor and graphite on thin off-white wove paper

Black tempera on darkened off-white wove paper

Black, white and brown chalk on blue paper

Black colored pencil on tan wove paper; verso: black colored pcl. & black crayon

Charcoal on blue laid paper