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  1. By: Lindsay, John J. - Gilbert, Alphonse H. - Birch, Thomas W. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: Radnor, Pa. :Northeastern Forest Experiment Station,[1992]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Dennis, Donald F. - Birch, Thomas W. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: Broomall, Pa. :U.S. Dept. of Agriculture, Forest Service, Northeastern Station [sic],1981.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Kingsley, Neal P. - Kingsley, Neal P. - Birch, Thomas W. - United States. Forest Service.
    Publication info: Upper Darby, Pa. :Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station,1977.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  4. By: Birch, Thomas W. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: [Broomall, Pa.] :U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station,[1988?]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  5. By: Birch, Thomas W.
    Publication info: [Broomall, Pa.] :U.S. Dept. of Agriculture, Forest Service, Northeastern Station,1983.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  6. By: Birch, Thomas W.
    Publication info: [Broomall, Pa.] :U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station,1982.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  7. By: Birch, Thomas W. - Dennis, Donald F. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: Broomall, Pa. (370 Reed Rd., Broomall, Pa. 19008) :Forest Service, U.S. Dept. of Agriculture, Northeastern Forest Experiment Station,1980.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  8. By: Widmann, Richard H. - Birch, Thomas W. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: Broomall, PA :Northeastern Forest Experiment Station,[1988]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  9. By: Birch, Thomas W. - Kingsley, Neal P., - Northeastern Forest Experiment Station (Radnor, Pa.) - United States. Forest Service.
    Publication info: Broomall, Pa. :Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station,1978.
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  10. By: Birch, Thomas W. - United States. Forest Service. - United States. Forest Service. Northeastern Research Station.
    Publication info: Newton Square, PA :U.S. Dept. of Agriculture, Forest Service, Northeastern Research Station,[2001]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  11. By: Birch, Thomas W. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: Radnor, PA :U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station,[1996]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  12. By: Birch, Thomas W. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: Radnor, PA :U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station,[1997]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  13. By: Birch, Thomas W. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: Radnor, PA :U.S. Dept. of Agriculture, Forest Service, Northeastern Forest Experiment Station,[1996]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  14. By: Birch, Thomas W. - Northeastern Forest Experiment Station (Radnor, Pa.)
    Publication info: Radnor, PA :U.S. Dept. of Agriculture, Northeastern Forest, Experiment Station,[1997]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  15. By: Leatherberry, Earl C. - Kingsley, Neal P. - Birch, Thomas W. - North Central Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn. (1992 Folwell Ave., St. Paul 55108) :U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station,[1998]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library