 |
| I. M. Pei & Partners,
National Gallery of Art East Building Design Team. Working studies, c. October 1968. Felt-tip pen on tracing paper |
| Copyright © National Gallery of Art, Washington D.C. |
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| I. M. Pei & Partners,
National Gallery of Art East Building Design Team. Working studies, c. October 1968. Felt-tip pen on tracing paper |
| Copyright © National Gallery of Art, Washington D.C. |