| Call Number (LC) | Title | Results |
|---|---|---|
| I 29.2:N 19/3 | Comprehensive trail plan : Natchez Trace National Scenic Trail, Alabama-Mississippi-Tennessee | 1 |
| I 29.2:N 19/4 | Presenting nature : the historic landscape design of the National Park Service, 1916 to 1942 | 1 |
| I 29.2:N 19/6 | Natchez Trace Parkway, Alabama, Mississippi, Tennessee | 1 |
| I 29.2:N 21/24/pt.1 | The national park system plan | 1 |
| I 29.2:N 21/24/pt.2 | The national park system plan | 1 |
| I 29.2:N 21/31 | NPS natural history collections | 1 |
| I 29.2:N 21/32 | Paleontology | 1 |
| I 29.2:N 21/34 | Hey, there's a national park in my back yard! : help protect and nurture the resources of Rocky Mountain National Park | 1 |
| I 29.2:N 21/35 |
Journeys to repatriation 15 years of NAGPRA grants (1994-2008) Journeys to repatriation : 15 years of NAGPRA grants (1994-2008) |
2 |
| I 29.2:N 21/36 | National Park Service overview | 1 |
| I 29.2:N 21/38/SUMMARY | National Mall plan: summary : enriching our American experience, envisioning a new future | 1 |
| I 29.2:N 22/4 | Great Lakes navigation and navigational aids : historical context study | 1 |
| I 29.2:N 27 | National Park Service areas in Nebraska | 1 |
| I 29.2:N 42 | New River Gorge National River headquarters site development, Glen Jean, West Virginia | 1 |
| I 29.2:N 42/2 | The National Park Service and the New Orleans riverfront | 1 |
| I 29.2:N 42/3 | Trail plan : New River Gorge National River, West Virginia | 1 |
| I 29.2:N 42/4 | New River Gorge National River, West Virginia | 1 |
| I 29.2:N 42/5 | Resource inventory and analysis New River Gorge National River, West Virginia | 1 |
| I 29.2:N 42/6 | New River Gorge National River : trails | 1 |
| I 29.2:N 42/7 | New River Gorge National River : administrative history | 1 |