Harvard Forest Class of 1923
- Nathan Matthews Plantations Block A. 1923-1925
- Nathan Matthews Plantations Block A - Locations of Experimental Plots.
- Nathan Matthews Plantations Block A Stand Type Map. 1923-1925
- Nathan Matthews Plantations Block B. 1923-1925
- Nathan Matthews Plantations Block B Stand Type Map. 1923-1925
- Nathan Matthews Plantations Block C. 1923-1925
- Nathan Matthews Plantations Block C-D - Stand Type. 1923-1925