Mitchell, H.L.
- A.C. Cline Correspondence: Johnston, J.W., Jr.. 1933-1951
- A.C. Cline Correspondence: Tryon, H.H.. 1931-1947
- 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
- The growth and nutrition of white pine seedlings in cultures with varying N,P,K, and Ca (Black Rock Forest Bulletin No. 9). 1939
- Growth of Scots Pine in sand cultures with varied radiation intensity and nitrogen supply. 1932
- Poor farm building, plantation, lumber; Petersham Town Forest. 1931