Maine
- Aerial Photographs North Shore MA, New Hampshire, Maine 1973. 1973
- Austin Cary Collection of Washington County, Maine surveys and maps.
- Base map of Maine showing minor civil divisions -- towns and cities. 1950-1952
- Bedrock geological map of Maine. 1985
- Big Reed Hollow Samples. 2002
- Cows in Pasture at Harvard Forest. 2000
- Cruise and Management Plan of the Blake Tract of the Hollingsworth and Whitney Company. 1947-1949
- Effects of altitude on cold tolerance and bud and needle mortality in red spruce. 1993-1996
- A Field Trip to the White Mountains of New Hampshire and to Central Maine. 1949
- Glacial deposits, State of Maine. 1934
- H.M. Raup, Conferences and Seminars. 1953-1966
- Herring Fisheries by Ernest Stillman. 2007
- Hood Dairy Farm Project: Maine and New Hampshire files. 1940
- John C. Goodlett Oak Distribution research maps, mainly Northern New England. 1966
- Land of Brown Co., around Cupsuptic, Maine. 1944
- Land use classification map of Maine, showing cleared, forested and blueberry land.
- Letter from R.T. Fisher to family, 1902. 1902
- Letter from William James, Jr. to R.T. Fisher, 1922. 1922
- Letter from William James, Jr. to R.T. Fisher, 1922. 1922
- Official survey map of VT, NH, CT, RI and Maine with 1930 Census Index. 1930
- Outline map of Maine, 1931. 1930
- Outline map of Maine, showing counties and towns.
- Penobscot Bog - Vegetation. 1947
- Preliminary geologic map of Maine. 1933
- Preliminary Proposal: Collaborative Research: Leading- and Trailing-Edge Responses of the Pleistocene Boreal Forest to Rapid Warming and Increasing Carbon Dioxide. 2016-2019
- Reading and Conserving New England: Using History to Interpret and Manage Nature: Geddes W. Simpson Lecture. 2009
- Shaded relief map of Maine. 1973
- Soil Map of Maine. 1917
- Spruce reproduction, Maine (hunter's camp). 1937-1940
- The Stockholm Lumber Co. of Stockholm, Maine. 1904
- Surficial geological map of Maine. 1985
- Wildland and Woodland Science- Northeast Wilderness Trust (Alder System). 2010 -2015
- The Woodlot - includes Fisher's Miscellaneous Woodlot Examinations--part forms background for Graves and Fisher's 1903 publication on the woodlot. Copy of USDA Bureau of Forestry Bulletin No. 42 included. 1902-1993