| title | ISBN-13 (ISBN-10) | year of publica- tion | other author(s) |
|---|---|---|---|
| Moline: City of Mills | 978-0-7385-6372-5 (0-7385-6372-2) | 1998 | David R. Collins · Rich J. Johnson |
| Rock Island | 978-0-7385-0157-4 (0-7385-0157-3) | 1999 | David R. Collins · B.J. Elsner · Rich J. Johnson |