Branch and Mathematical Notations; verso: Branch and Pentagon

Brown ink, gray, brown, and blue wash and white opaque watercolor over graphite on two pieces of light tan antique laid paper

Transparent watercolor, brown ink, and opaque watercolor on cream antique laid paper, framing line in brown ink

Black, red, and white chalk and brown and gray wash on cream antique laid paper, laid down

Black and white chalk on cream antique laid paper, darkened to light tan, framing lines in brown ink and black ink

Brown ink, squared in graphite, on cream antique laid paper

Black chalk on cream antique laid paper, mounted overall

Brown ink, blue wash, white opaque watercolor, some oxidized in angels, over graphite, incised almost overall, on off-white antique laid paper, mounted down; two angels at lower right cut out, the rest of the drawing laid down, and piece readhered 7 mm lower with brown ink and blue wash fill

Black ink, gray and green wash, and white, gray, and yellow opaque watercolor over black chalk on buff antique laid paper, framing line in brown ink, laid down on thick laid card

Brown ink, brown wash, transparent watercolor, and touches of blue chalk on cream antique laid paper

Brown ink, brown wash and white opaque watercolor over black chalk on white antique laid paper

Gray ink and brown wash over graphite or black chalk, incised, with a framing line in brown ink, on cream antique laid paper

Black and red chalk and gray wash on cream antique laid paper, partial framing line in brown ink