ɪn nˈaɪntiːnhˈʌndɹɪd θˈɜːɾi sˈɛvən, wɪððə kəlˈɛkʃən hˌævɪŋ ɡɹˈoʊn tə wˈʌnhˈʌndɹɪd fˈɪfti,zˈiəɹoʊzˈiəɹoʊ zˈiəɹoʊ vˈɑːljuːmz, ðə lˈaɪbɹɛɹi mˈuːvd tʊ ɪts pɹˈɛzənt loʊkˈeɪʃən æt fˈɪfti θɹˈiː ˈiːst sˈɛvənti nˈaɪnθ stɹˈiːt, ɔnðɪ ˌʌpɚɹ ˈiːst sˈaɪd bᵻtwˌiːn mˈædɪsən ænd pˈɑːɹk ˈævənˌuːz.
In 1937, with the collection having grown to 150,000 volumes, the library moved to its present location at 53 East 79th Street, on the Upper East Side between Madison and Park avenues.