Der Cid References Der Cid opera by Cornelius Ask Anything Homework Help Written by The Information Architects of Encyclopaedia Britannica The Information Architects maintain a master list of the topics included in the corpus of Encyclopædia Britannica, and create and manage the relationships between them. The Information Architects of Encyclopaedia Britannica Britannica AI Ask Anything Learn about this topic in these articles: Peter CorneliusHe wrote two other operas, Der Cid (1865; libretto adapted by him from the play by Pierre Corneille) and Gunlöd (libretto adapted from the Edda), which was completed after his death by Carl Hoffbauer and Eduard Lassen and produced in 1891. Read MoreHe wrote two other operas, Der Cid (1865; libretto adapted by him from the play by Pierre Corneille) and Gunlöd (libretto adapted from the Edda), which was completed after his death by Carl Hoffbauer and Eduard Lassen and produced in 1891. Read More