The bulk of the papers relate to Brown's activities in the Presbyterian Church, the Presbyterian Board of Foreign Missions, and with the ecumenical and world missionary movements. Of special interest are Brown's travel diaries of tours of China and the Far East, 1901-1902 and 1909. Arthur Judson Brown was a Presbyterian clergyman, author and pioneer in the ecumenical and world missionary movements of the 20th century. The positions he held included administrative secretary of the Presbyterian Board of Foreign Missions (1895-1929), charter trustee of the Church Peace Union (1914), organizer of several World War I relief committees, editor of Missionary Review of the World (1930), vice-president of the International World Alliance of Presbyterian and Reformed Churches (1933-1937).