From the Smithsonian Libraries Blog:
The Cooper-Hewitt National Design Museum, in the Carnegie Mansion on 5th Avenue, is closed for the next two years to undergo extensive renovations so that the entire mansion can be converted to exhibition galleries. The library, began in the 1890s by the Hewitt Sisters at Cooper Union, occupied the Carnegie Mansion’s third floor when the collections were obtained by SI in the 1970s. Since that time, the library has grown to include approximately 80,000 volumes, 4500 trade catalogues, and several picture collections.
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