Various
- Aerial photographs of cut trees, camouflage project. 1944
- Annual report of the Harvard Forest 1961-62 to 1990-91. 1961-1991
- Black Rock Forest controversy. 1984
- Copy of Petersham Proprietor's Records 1733-1823. 1823
- Correspondence surrounding Harvard University Biology Department reorganization. 1969
- The Decadal Plan for LTER - Integrative Science for Society and the Environment: A Plan for Research, Education, and Cyberinfrastructure in the U.S. Long Term Ecological Research Network. 2007
- Ernest M. Gould - obituary notices. 1988
- Growth of spruce in a peat bog, PH VII. 1913
- Hardwood thinning, stand records, and stand maps of the L-Plot, TS II. 1929
- Harvard Forest Bullard Fellows. 1962-2026
- Harvard Forest Campus Buildings Information. 1946-2017
- Harvard Forest Research Program in Ecology Pamphlets. 2008-2013
- Harvard Forest Weather Records 1936 - 2000. 1936-2000
- The Harvard University Gazette. 2000-2008
- Hugh Raup newspaper clippings. Includes Arctic travel material. 1998
- Inoculation of paper birch with Torula to see if it causes heart rot, TS I. 1937
- Investigations of the results on white pine of the removal of a hardwood overstory and shading of gray birch to prevent sprouting. 1914
- Newspaper clippings about Harvard Forest, 1900-1999. 1900-1999
- Newspaper Clippings About Town of Petersham. Various years. 1997
- Newspaper clippings pertaining to the Harvard Forest, 1906-1934. 1906-1934
- Pales weevil damage on white pine seedlings, TS IV. 1916
- Poplar root suckers on two plots, Tom Swamp VIII (1910-1913). 1910-1913
- Prospect Hill Tract - Stand Records. 1908-2011
- Pruning experiment in Norway Spruce, PH V, plantation 16-D. 1936
- Records of Sample Plot F, on thinning white pine in SC II. 1913
- Red pine pruning experiment, PH III. 1936
- Red pine thinning plots in PH VI. 1930
- Release of white pine following thinning on Tom Swamp IV. 1908
- Releasing volunteer white pine, PH I. 1919
- The search for a new Director. 1969
- Several off-forest thinnings and release cuttings in Massachusetts and New Hampshire. 1923
- Slab City Tract - Stand Records. 1909-2010
- Study of lumber consumption in the Springfield district. 1925
- Tom Swamp Tract - Stand Records. 1833-2002
- Twentieth Annual Harvard Forest Ecology Symposium. 2010
- Weeding volunteer white pine, TS II. 1915
- White pine spacing experiment, plantation 16-C, PH III. 1916-1936
- White pine thinning records, including diameters, heights, and ground cover for Plot B, Tom Swamp VI (1908-1913). 1908-1913
- Wildlands and Woodlands - Correspondence. 2002-2013
- Wildlands and Woodlands: A Vision for the New England Landscape. 2005-2013
- Woodlot estimates from various consulting jobs. 1918
- Working plans for the meadow-water tract, Harvard Forest. 1913