{"value"=>"<p>The Office Correspondence includes letters about dealings Field had with organizations such as financial institutions, retail companies, lawyers, charities, and social clubs. Business and financial materials include correspondence with his attorney (Charles Tressler Lark), his banks, and business associates Morris W. Kellogg and Otis A. Mygatt. Social clubs include the Century Association, the Little Cascapedia Fish and Game Club, and the Stockbridge Golf Club. Charities and philanthropic interests include the Big Brothers of America, the House of Refuge, and the New York Zoological Society.</p> <p>His correspondents include Margaret Sanger (Birth Control Clinical Research Bureau and under \"S\"), gem collector and mineralogist George Frederick Kunz (St. Mary's Episcopal Church), Charles Frederick William Mielatz, and Anson Phelps Stokes.</p>"}