| 1. | |
I. M. Pei. Early conceptual sketch for building plan, National Gallery of Art East Building, fall 1968. Crayon and graphite on tracing paper |
| 2. | |
National Gallery of Art Fourth Street Facade, Photograph by Dennis Brack/Black Star |
| 3. | |
I. M. Pei & Partners, National Gallery of Art East Building Design Team. Study for Fourth Street facade. Pen on tracing paper |
| 4. | |
I. M. Pei & Partners, National Gallery of Art East Building Design Team. Study for Third Street and Mall facades, no. 3. Pen (or pen and graphite) on tracing paper |
| 5. | |
I. M. Pei Working sketch for building plan, National Gallery of Art East Building, winter 1969. Pen and graphite on tracing paper |
| 6. | |
Scale model of East and West Buildings showing final design for Third Street facade, spring 1971 |
| 7. | |
Paul Stevenson Oles. Perspective study for garden court, National Gallery of Art East Building, 6 November 1970. Graphite on paper |
| 8. | |
Paul Stevenson Oles. Perspective study for skylight system, National Gallery of Art East Building, 25 January 1971. Graphite on paper |
| 9. | |
Paul Stevenson Oles. Perspective study for space frame with light diffusion bars, National Gallery of Art East Building, June 1971. Graphite on paper |
| 10. | |
I. M. Pei & Partners, National Gallery of Art East Building Design Team. Study for space-frame node, 15 March 1971. Pen on tracing paper |
| 11. | |
Unfinished space frame from above, 25 July 1977. Photograph by Stewart Brothers |