The Legacy of the Diva - Opera's recorded legacy. Articles and surveys of aria recordings especially from the coloratura repertoire. Evolution of Opera - Overview of the development of the operatic form. The Rise of Light Opera - A history of the development of the comic opera. Historic Opera - Archived images of historic opera singers, composers, and set designs. Collecting Operas on Vintage Postcards - An illustrated introduction to collecting early 20th century European historical opera postcards. Timeline of American Opera - A chronology of important dates in the history of American opera. A History of Opera in Fifteen Key Works - A concise description of the development of the art form using fifteen major operas as examples.