| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Sir Hugo's Literary Companion: A Compendium of the Writings of Hugo's Companions, Chicago On the Subject of Mr. Sherlock Holmes | 978-O-595-69661-1 (O-595-69661-9) | 2007 |
C.H. · C Humphrey · D.C. · D,. H.. · David C. · David H. · David Humphrey