Column Base from the Inside of the Temple of Marte Ultore; verso: Column Base

Brown ink on buff antique laid paper; verso: brown ink

Oil on varnished brown antique laid paper

Black chalk on off-white antique laid paper; verso: red chalk

Red chalk on beige antique laid paper

Black and red chalk on gray-brown antique laid paper

Tempera (and/or oil), charcoal, and stylus, varnished overall, on paper

Brown ink and brown wash over graphite on cream antique laid paper, squared in brown ink, laid down overall to cream antique laid paper

Brown ink on cream antique laid paper

Brown ink, brown wash, over graphite (?) on cream antique laid paper

Black chalk and graphite (?) on cream antique laid paper; verso: black chalk

Black chalk on cream antique laid paper

Brown ink and brown wash over black chalk heightened with white gouache on cream antique laid paper, stylus underlining in architectural elements