Samuel F. Gingrich

Management of young and intermediate stands of upland hardwoods

Samuel F. Gingrich, S. Gingrich, 1971 .

Even-aged silviculture for upland central hardwoods

Benjamin A. Roach, Samuel F. Gingrich, S. Gingrich, 1968 .

Relation of Crown Width to Tree Diameter In Some Upland Hardwood Stands of Southern Illinois

Samuel F. Gingrich, Leon S. Minckler, 1970 .