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  1. By: Rudolf, Paul O. - Lake States Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn, Lake States Forest Experiment Station, 1957
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  2. By: Rudolf, Paul O. - Lake States Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn, Lake States Forest Experiment Station, 1958
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  3. By: Rudolf, Paul O. - Lake States Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn, Lake States Forest Experiment Station, July 1959
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  4. By: Rudolf, Paul O. - Lake States Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn, Lake States Forest Experiment Station, January 1960
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  5. By: Rudolf, Paul O. - Lake States Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn, Lake States Forest Experiment Station, [1962]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  6. By: Rudolf, Paul O.
    Publication info: St. Paul, Minn, Lake States Forest Experiment Station, U.S. Dept. of Agriculture, 1963
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  7. By: Rudolf, Paul O. - Lake States Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn, U.S. Dept. of Agriculture, Forest Service, Lake States Forest Experiment Station, 1950
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  8. By: Rudolf, Paul O. - Lake States Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn, U.S. Dept. of Agriculture, Forest Service, Lake States Forest Experiment Station, 1951
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  9. By: Rudolf, Paul O. - Watt, Richard F. (Richard Franklin), - Lake States Forest Experiment Station (Saint Paul, Minn.)
    Publication info: [Minn.?, Lake States Forest Experiment Station, 1956]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  10. By: Rudolf, Paul O. - Lake States Forest Experiment Station (Saint Paul, Minn.)
    Publication info: [Saint Paul, Minn.], Lake States Forest Experiment Station, U.S. Dept. of Agriculture, Forest Service, [1959]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  11. By: Rudolf, Paul O. - Lake States Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn, Lake States Forest Experiment Station, U. S. Department of Agriculture, Forest Service, 1956
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  12. By: Rudolf, Paul O. - Lake States Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn, U.S. Dept. of Agriculture, Forest Service, Lake States Forest Experiment Station, 1952
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  13. By: Rudolf, Paul O. - Lake States Forest Experiment Station (Saint Paul, Minn.)
    Publication info: St. Paul, Minn, U.S. Dept. of Agriculture, Forest Service, Lake States Forest Experiment Station, 1955
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library
  14. By: Stoeckler, J. H., - Rudolf, Paul O.
    Publication info: St. Paul, Minn, U.S. Dept. of Agriculture, Forest Service, Lake States Forest Experiment Station, [1949]
    Holding Institution: U.S. Department of Agriculture, National Agricultural Library