Father Giambattista Martini Leading the Choir in the Church of Santi Apostoli

Black and white chalk on dark brown prepared antique laid paper

Black and white chalk on brown antique laid paper

Red and white chalk on brown antique laid paper

Black ink and black wash over graphite on white antique laid paper

Black and white chalk on gray prepared paper

Red chalk counterproof on cream antique laid paper

Black chalk and graphite on off-white antique laid paper

Black and white chalk with graphite accents on gray prepared paper

Brown ink, brown wash on off-white antique laid paper

Black chalk on cream antique laid paper

Black ink, gray wash, white gouache, and black chalk on brown antique laid paper

Brown ink over red chalk on cream antique laid paper; verso: brown ink