{"nrhp_refnum":"66000544","name":"Pierpont Morgan Library","other_names":[],"category":"building","location":{"address":"33 E. 36th St.","address_restricted":false,"city":"New York","county":"Manhattan","state":"NY","lat":40.749013815500064,"lon":-73.981360626282,"geom_source":"nps_gis"},"listed_date":"1966-11-13","is_nhl":true,"nhl_designated_date":"1966-11-13","areas_of_significance":["Commerce","Economics","Education","Architecture"],"significance_levels":["national"],"summary":{"what_it_is":"A marble Renaissance-style library building at 33 East 36th Street in Manhattan, designed by McKim, Meade and White for financier J. P. Morgan and completed in 1906, with a 1927 annex and a 1960 connecting hall.","why_significant":"The nomination argues the library reflects J. P. Morgan, who exemplified the rise of the financier in American industry and commerce. Morgan pioneered finance capitalism, reorganized railroads, and organized United States Steel. In 1907 he gathered New York bankers in the new library to arrange funds that helped avert a national panic. The library also houses his outstanding collections of manuscripts, books, and drawings.","narrative":"Built beside J. P. Morgan's New York house, this marble library on East 36th Street was designed by McKim, Meade and White, largely under Charles McKim, and finished in 1906. Its Renaissance-style front has a portico with Ionic columns, flanking marble lionesses by Edward Clark Potter, and sculpture by Andrew Connor. Inside, the domed entrance hall and East Room carry painted decoration by Harry Siddons Mowbray, while Morgan's red-silk-walled study, the West Room, preserves his desk and belongings. An annex replaced Morgan's house in 1927, and a cloistered hall joined the buildings in 1960. The property is tied to Morgan's career as a financier who reorganized railroads, formed United States Steel in 1901, and in November 1907 gathered bankers in the library to arrange funds that steadied the markets. His son conveyed the library to a board of trustees in 1924, and it now serves the public with major manuscript and drawing collections.","period_of_significance":"1900-","architect_builder":"McKim, Meade and White","architectural_style":"Renaissance","criteria":[],"status_note":"In use as a library and museum open to the public; the building is described as altered, with a 1927 annex and a 1960 connecting hall.","vacant_flag":false,"machine_generated":true,"model":"claude-sonnet-5-5","prompt_version":"v1.0-2026-10-29","generated_at":"2026-10-29 02:50:39.208722-05","source_pdf":"https://s3.amazonaws.com/NARAprodstorage/lz/electronic-records/rg-079/NPS_NY/66000544_NHL.pdf"},"photo":{"url_800":"https://nationalhistoricalregister.com/media/66000544/6b323615ad-800.webp","url_1600":"https://nationalhistoricalregister.com/media/66000544/6b323615ad-1600.webp","licence":"CC BY-SA 4.0","author":"Photograph by Mike Peel (www.mikepeel.net).","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Morgan_Library_%26_Museum,_New_York_2017_02.jpg\" rel=\"noopener\">Photograph by Mike Peel (www.mikepeel.net).</a>, <a href=\"https://creativecommons.org/licenses/by-sa/4.0\" rel=\"license noopener\">CC BY-SA 4.0</a>, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Morgan_Library_%26_Museum,_New_York_2017_02.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/75315862","wikipedia":"https://en.wikipedia.org/wiki/Morgan_Library_%26_Museum","wikidata":"https://www.wikidata.org/wiki/Q1478423"},"indexable":true,"url":"https://nationalhistoricalregister.com/new-york/manhattan/pierpont-morgan-library-66000544/"}