| 249 | Rafael Guastavino's Architecture in New York | YMCA - West Side Branch |
| Dirección / Address: | 5 W. 63rd St. at Central Park West |
| Construcción original / Original Construction: | 1928-30 |
| Intervención Guastavino / Guastavino's Intervention: | 1928-29 |
| Demolido / Demolished | NO |
| Arquitectos Originales / Original Architects | Dwight James Baum |
| Colaboradores / Collaborators | Dwight James Baum |
| National Register of Historic Places? |
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| NYC Landmarks Commission? |
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| 250 | Rafael Guastavino's Architecture in New York | Ziff Publishing Company |
| Dirección / Address: | 270 Madison Ave. & 39th St. |
| Intervención Guastavino / Guastavino's Intervention: | 1941 (Siliclair for offices) |
| Demolido / Demolished | NO |
| Arquitectos Originales / Original Architects | Rouse & Goldstone |
| National Register of Historic Places? |
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| NYC Landmarks Commission? |
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| 251 | Rafael Guastavino's Architecture in New York | Synagogue |
| Dirección / Address: | Madison Avenue & 65th Street |
| Intervención Guastavino / Guastavino's Intervention: | 1880s |
| Demolido / Demolished | YES |
| Arquitectos Originales / Original Architects | Rafael Guastavino i Moreno |
| National Register of Historic Places? |
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| NYC Landmarks Commission? |
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