Nature & Environmental Activism
- Forestry (4)
- Nuclear Power (4)
Manuscripts & Collections
- Bird Roll Book (N.E.)
- Cottrell, Annette, 1907-1997 (Unprocessed)
- Isles of Shoals
- Jackson, Dr. Herbert W., 1911-2002
- Knowlton, Elizabeth (1895-1989)
- Matthiessen, Peter
- Odiorne Point State Park
- Save Our Shores (SOS)/Olympic Oil Refinery Scrapbook (Unprocessed)
- Sketch books, 1917
- Trust for New Hampshire Lands
- White Mountains Photographs