This revised edition of Garland's 1989 publication updates the core bibliography on Gustave Mahler (as well as his spouse and fellow composer Alma Mahler) by incorporating new research gathered over the past dozen years on his life and professional works. Gustave Mahler, renowned conductor and composer of symphonies and song cycles, is one of the foremost musical figures of the late nineteenth and early twentieth centuries. His symphonies continue to be widely performed and studied through the twenty-first century. Organized in sections according to subject matter, references are arranged alphabetically by the names of authors or editors. Filler's research has produced sources for musicologists and students in nineteen languages, offering a resource that expands traditional English-language music scholarship.