| title | media type | ISBN-13 | year of publication |
|---|---|---|---|
| Frederick Delius: A Research and Information Guide | Paperback | 978-1-138-87026-0 | 2015 |
| Frederick Delius: A Research and Information Guide | Hardcover | 978-0-415-99364-7 | 2009 |
| Gustav Holst: A Research and Information Guide | " | 978-0-203-88886-5 | 2011 |
| Gustav Holst: A Research and Information Guide | " | 978-0-415-99525-2 | 2011 |