| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Steppenwolf and Siddhartha Notes: Including Life and Background, Introductions to Steppenwolf and Siddhartha, Lists of Characters, Critical commentary | 978-O-822O-1224-5 (O-822O-1224-3) | 1973 |
C.R. · C. Roberts · C. W. · Carolyn R. Welch · Carolyn Roberts