| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| Dreamers and Defenders: American Conservationists | 978-0-8032-9156-0 (0-8032-9156-6) | 1988 |
| Tahoe: From Timber Barons to Ecologists | 978-0-8032-9258-1 (0-8032-9258-9) | 1999 |
D,. H.. · D S · D. Strong · Douglas Strong · H.S.