ponds
- Autumn color photographs; Harvard Pond and aerial views of Harvard Forest. 1984
- Cook's Canyon and Town of Barre (Historical).
- Northeast Deciduous Forest Stamp Project. 1997-2003
- Paleo Lab Macroscopic Charcoal. 1999-2015
- Swift River Valley View. 1945
- Tom Pond, water lilies; Harvard Forest, TS Block. 1926
- Tom Swamp Pond. 1909-1937
- Williams Pond; SC VI. 1915