| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| The Oregon System: The Story of Direct Legislation in Oregon: a Presentation of the Methods and Results of the Initiative and Referendum and Recall and Special Chapters on the Direct Primary | 978-1-112-2O787-7 (1-112-2O787-2) | 2009 |
A.A. · A. Allen · A. H. · A.H. Allen · Allen H. · H.A. · H. Allen · H.H.