Author
- Northeastern Forest Experiment Station (Radnor, Pa.)
- United States. Forest Service 2 results
- Birch Symposium University of New Hampshire 1 results
- Northeastern Forest Experiment Station (Radnor, Pa.). Research paper NE 1 results
- Oak Symposium Morgantown, W.Va 1 results
- Shigo, Alex L., 1930- 1 results
- University of New Hampshire. Dept. of Forest Resources 1 results