Leroy Allan Ehrenreich (1929-2016) was an opera enthousiast from New York who left behind a sizable collection of (live) recordings of opera performances and recitals. Since 2018, the collection is in the possession of the Bern University of the Arts which is currently running a project to conserve, explore, document, and digitize Ehrenreich's collection. Please refer to the documentation file for further information regarding the various data files. The original word processing files of the catalogue are provided for reference purposes.