Correspondence, subject files, manuscripts and printed materials documenting the work of C. Martin Wilbur, George Sansom Professor Emeritus of Chinese History, Columbia University. Correspondence with non-Columbia organizations includes the Institute of Pacific Relations, Far Eastern Association, INDUSCO, Council on Foreign Relations, Asia Foundation, and American Council of Learned Societies, among others. Subject files relevant to Columbia University include items pertaining to the Department of Chinese and Japanese, later renamed the Department of East Asian Languages and Cultures, as well as teaching files, student files and research projects directed. The manuscript files contain the notes and, in some cases, printed copies of published and unpublished works and public talks. Wilbur's writings and research concentrate on the history and politics of twentieth century China, with emphasis on the Chinese Revolution, 1920-1929, Sun Yat-sen, and communism in China. There are translations of minutes for the first and second Kuomintang Congresses, copies of documents from the Kuomintang Archives, and photographs of members of the Young China Party, Sun Yat-sen and several historical events in the 1920s. Files on fund raising efforts for the Department of East Asian Languages and Cultures and the Wellington Koo Fellowship also contain relevant correspondence. Biographical information includes a curriculum vitae (ca. 1968)