Three Studies of Birds

Brown ink, with touches of black chalk, on dark cream antique laid paper with large triangular gray fills at top left and top right, laid down overall to cream antique laid paper

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

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

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

Brown ink with brown wash on cream antique laid paper

Brown ink on off-white antique laid paper, laid down

Brown ink, brown wash, and white gouache, later retouched with zinc white, on blue antique laid paper with lightly incised lines

Brown ink, brown wash, white gouache, traces of black chalk and scratchwork at left, laid down overall to cream antique laid paper

Brown ink and brown wash on cream antique laid paper; verso: brown ink and black chalk

Brown ink and brown wash, white gouache on gray-green prepared dark cream antique laid paper, irregularly trimmed and mounted overall to blue laid paper

Black chalk on off-white antique laid paper

Metalpoint on gray prepared paper; verso: red chalk on cream antique laid paper