Mitchell, Harold L.
- A.C. Cline Correspondence: Johnston, J.W., Jr.. 1933-1951
- Black Rock Forest administrative materials and correspondence, including transfer. 1931-2007
- Effect of nitrogen fertilizer on the growth rate and certain wood quality characteristics of sawlog size red oak, yellow-poplar, and white ash. 1972
- Experimental apparatus, Black Rock Forest, Cornwall-on-Hudson. 1934
- Forest physiology abstracts. 1932
- The growth and nutrition of white pine (Pinus strobus L.) seedlings in cultures with varying nitrogen, phosphorus, potassium and calcium. 1939
- Growth of Scots Pine in sand cultures with varied radiation intensity and nitrogen supply. 1932
- Petersham Town Forest weeding, pruning, and girdling. 1931
- Poor farm building, plantation, lumber; Petersham Town Forest. 1931