| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The History of Paraguay: With notes of personal observations, and reminiscences of diplomacy under difficulties. Volume 1 | 978-1-4021-6141-4 (1-4021-6141-7) | 2001 |
| The History of Paraguay: With notes of personal observations, and reminiscences of diplomacy under difficulties. Volume 2 | 978-1-4021-6140-7 (1-4021-6140-9) | 2001 |
A. W. · A. Washburn · C.A. · C. W. · Charles W. · Charles Washburn