Nature & Environmental Activism
- Forestry (5)
- Nuclear Power (4)
Manuscripts & Collections
- AMC Trail Crew Association
- Bird Roll Book (N.E.)
- Cottrell, Annette, 1907-1997 (Unprocessed)
- Green Harbor Fisherman's Association
- Isles of Shoals
- Jackson, 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
- Stevens, Henry Bailey and Agnes Ryan
- Sylvester, George A. (unprocessed)
- Trust for New Hampshire Lands
- White Mountain Photographs