{"value"=>"<p>Correspondence, reports, minutes, and printed material of organizations to which Nelson belonged, including: the American Library Association (chiefly records, 1892-1893, of its World's Columbian Exposition Committee, of which Nelson was a member); the Bibliographical Society of America; New York Library Club, 1880s-early twentieth century; and the Twilight Club, a New York social club, 1886-1903. Additional records of these and other organizations can be found in the correspondence and printed material.</p>"}