The K.P. Chen papers documented the banking and finance career of a banker, entrepreneur, and finance advisor, Kwang Pu Chen dating from 1936 to 1968. Materials in the papers include accounts, loan contracts, correspondence, telegrams, diaries, financial reports, , letters, news clippings, notes, photographs, press releases, printed materials, and reports.

The Marcus L. Filley Papers comprise business correspondence related to the sale of stoves manufactured by the Filley foundry in Green Island, NY. Some family papers, diaries and photographs are also included in this collection.

The Tharchin Collection consists primarily of correspondence, publications and drafts, photographs, daybooks and financial accounts, and autobiographical materials. The geographic coverage of the collection spans both sides of the Himalayas, in particular, the activities of intellectuals, officials, missionaries, and other historical figures in India, Sikkim, and Tibet.