Mount Wachusett (Princeton MA)
- Birdseye views, PH V. 1918
- Bolton Brook and tributary headwaters, Mount Wachusett. 2002-2003
- Final report on old-growth forests on Wachusett Mountain. 1996
- Old-growth forests of Southern New England, New York, and Pennsylvania. 1995
- Shelterwood cut-oak regeneration studies. 1982
- Views of Wachusett Mountain from Prospect Hill Summit 1918 and 1996. 1918-1996