Frank Residence, Pittsburgh, Pennsylvania, 1939-1940: Details of garden retaining walls: plan and section (1/2" = 1'-0")

Black ink, graphite, and yellow chalk on off-white wove paper

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Gray pastel with incised lines in rows on white wove paper

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Graphite on paper

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Green cardboard covers, black cloth spine; thirty-eight pages of off-white wove paper

Graphite on paper

Graphite on thin off-white wove paper

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