I have prepared a table of the numerical contents of the thirty-four largest libraries in this country in 1897, being all those having 100,000 volumes each or upwards: Library of Congress, Washington, 840,000 Boston Public Library, Boston, 730,000 Harvard University Library, Cambridge, 510,000 New York Public Library, New York City, 450,000 University of Chicago Library, 335,000 New York State Library, Albany, 320,710 Yale University Library, New Haven, 285,000 New York Mercantile Library, New York, 270,000 Columbia University Library, New York, 260,000 Chicago Public Library, 235,385 Cincinnati Public Library, 223,043 Cornell University Library, Ithaca, N. Y., 220,000 Sutro Library, San Francisco, 206,300 Newberry Library, Chicago, 203,108 Philadelphia Library Company, 200,000 Philadelphia Mercantile Library, 190,000 Boston Athenaeum Library, 190,000 Enoch Pratt Library, Baltimore, 185,902 Philadelphia Mercantile Library, 183,000 Detroit Public Library, Detroit, Mich., 148,198 University of Pennsylvania Library, Phila., 140,000 Princeton University Library, Princeton, N. J., 135,000 Pennsylvania State Library, Harrisburg, 134,000 Peabody Institute Library, Baltimore, 130,000 Cleveland Public Library, Cleveland, O., 129,000 St. Louis Public Library, 125,000 Mechanics and Tradesmen's Library, New York, 115,185 Free Public Library, Worcester, Mass., 115,000 San Francisco Public Library, 108,066 Philadelphia Free Library, 105,000 American Antiquarian Society Library, Worcester, Mass., 105,000 California State Library, Sacramento, 100,032 Massachusetts State Library, Boston, 100,000 New York Society Library, New York, 100,000