National Library of Latvia, Riga 1989-in progress

[Conceptual Sketch], untitled. Digital image only of black and blue ink sketch on tracing paper, initialed

National Library of Latvia, Riga 1989-in progress

[Conceptual Sketches], untitled. Digital image only of black and blue ink sketches on tracing paper with marker coloring, initialed

National Library of Latvia, Riga 1989-in progress

[Conceptual Sketches], untitled. Digital image only of two black and blue ink sketches on tracing paper with marker coloring

National Library of Latvia, Riga 1989-in progress

[Conceptual Sketch], untitled. Digital image only of black and blue ink sketch on tracing paper with marker coloring

National Library of Latvia, Riga 1989-in progress

[Conceptual Sketches], untitled. Digital image only of two black ink sketches on tracing paper with marker coloring

Grounds of farm house for David Adler Jr. at Libertyville, Ill. Revised garden layout

Changes in plantings indicated in pen. Unsigned. 88 x 52 cm. Scale 1/8" = 1' [from photographic copy by Lance Burgharrdt]

Sketch plan of bath house for Klock Park

Pencil on tracing paper; elevations, plan; unsigned. 68 x 38 cm. Scale: 1" = 10' [from photographic copy by Lance Burgharrdt]