Vatican Tiber and Belvedere Nile

Brown ink, brown wash, and white gouache over black chalk on tan antique laid paper, framing lines in brown ink, laid down on card and off-white paper

Red chalk and red chalk wash with touches of black chalk on light tan antique laid paper, laid down on tan antique laid paper

Black chalk and gray wash on cream antique laid paper

Graphite on cream antique laid paper

Black chalk underdrawing, pen, brown ink, white gouache, and brown wash on toned cream antique laid paper

Brown ink and brown wash with traces of black chalk on cream antique laid paper, framing lines in brown ink, laid down on blue antique laid paper, laid down on light tan antique laid paper, with white paper strips adhered to face

Red and white chalk with traces of graphite on tan antique laid paper; verso: darkened

Black chalk on heavy cream antique laid paper

Brown ink on cream antique laid paper, framing lines in brown ink

Black ink and gray and brown wash with traces of black chalk and graphite on cream antique laid paper, framing lines in black chalk and graphite

Black chalk

Black and white chalk on blue antique laid paper