226. Structural Symbols: Photographs of New York City (GW Permanent Collection and Selected Loans Curated by Francine Zorn Trachtenberg) 226. STRUCTURAL SYMBOLS: PHOTOGRAPHS OF NEW YORK CITY (GW PERMANENT COLLECTION AND SELECTED LOANS Curated by Francine Zorn Trachtenberg) Sept. 6 - Oct. 15, 1990 Checklist