| title | ISBN-13 (ISBN-10) | year of publication |
|---|---|---|
| A Ranger Pure and Simple. The Evolution of Parks and Park Rangers in America: Fourth Edition. | 978-1-61170-304-7 (1-61170-304-2) | 2019 |
| I'm Just a Seasonal: The Life of a Seasonal Ranger in Yosemite National Park | 978-0-9729119-4-8 (0-9729119-4-4) | 2005 |
| System Accidents: Why Americans Are Injured At Work And What Can Be Done To Stop It | 978-1-4196-7306-1 (1-4196-7306-8) | 2008 |
A. S. · A. Smith · T.A. · T.A. Smith · T.S. · T. Smith · Thomas A · Thomas Arthur Smith · Thomas F. A. Smith · Thomas S. · Thomas Smith
BookSurge Publishing · Productivity Publications · Robertson Publishing