Three sketches for a standard of Pope Benedict XIV

Design for a Candelabra

1800 · Pen and ink on paper

Design for a Candelabra

1800 · Pen and ink, brush and wash on paper

Design for a Fountain in a Park

1790 · Black chalk, brush and watercolor on paper, mounted

Landscape with a Burning Tower

1780 · Pen and ink, brush and lustre on paper

Doorway, Loggia, Ground Floor, Villa Albani, Rome, Italy

1780 · architecture, drawing — graphite, pen and sepia ink, brush and gray watercolor on brown-gray paper

Design for a Doorway to the Sacristy of St. Peter's, Rome

1778 · Pen and brown ink, brush and brown, gray wash, graphite on cream laid paper