Fifty-eight letters, including three fragments of letters, from Berenson to Prince Paul of Yugoslavia (1893-1976), 1935-1949. The letters deal with art and esthetics, travel, international affairs, and the personal lives of Berenson and Prince Paul. All are autograph and signed with initials. Included are a postcard photograph of Berenson at ages twenty-one and seventy-one, and an autograph letter from Arthur Bliss Lane to Prince Paul.