Study for an Altar with the Virgin of the Immaculate Conception

Brown wash and black chalk, squared, on cream antique laid paper; verso: black chalk

Brown wash and watercolor on buff antique laid paper mounted on linen

Brown ink on cream paper

Brown ink and brown wash over black chalk on cream antique laid paper

Brown ink on white paper

Brown ink and brown wash on cream paper; verso: graphite

Gray wash over black chalk on cream antique laid paper

Brown ink

Brown ink and blue wash over black chalk on off-white antique-laid paper

Brown ink on cream antique laid paper

Red chalk with reddish-brown wash

Brown ink on cream antique laid paper