Otto Harbach papers, 1870–1990 (bulk 1895–1963), held by the Billy Rose Theatre Division, New York Public Library for the Performing Arts Otto Harbach papers, Additions 1923–1979 Billy Rose Theatre Division, New York Public Library for the Performing Arts Finding aid to Otto Harbach papers at Columbia University. Rare Book & Manuscript Library. Otto Harbach recordings at the Discography of American Historical Recordings.
Otto Harbach papers, 1870–1990 (bulk 1895–1963), held by the Billy Rose Theatre Division, New York Public Library for the Performing Arts Otto Harbach papers, Additions 1923–1979 Billy Rose Theatre Division, New York Public Library for the Performing Arts Finding aid to Otto Harbach papers at Columbia University. Rare Book & Manuscript Library. Otto Harbach recordings at the Discography of American Historical Recordings.