| Author's List |
| title | creator | language | description | tableOfContents | contributor | subject | created |
| A Second Book of Operas | Krehbiel, Henry Edward, 1854-1923 | en | 2003-02-01 | ||||
| How to Listen to Music, 7th ed. Hints and Suggestions to Untaught Lovers of the Art | Krehbiel, Henry Edward, 1854-1923 | en | 2006-01-07 |