Author
Phillips, Sarah T., 1974-
3
Dyer, Julia,
2
Hays, Samuel P.
2
Miller, Char, 1951-
2
Nash, Roderick
2
Smith, Frank E. 1918-1997
2
Taylor, Dorceta E.,
2
Tyrrell, Ian R.,
2
Unger, Nancy C.
2
Brant, Irving, 1885-
1
Brinkley, Douglas
1
Brinkley, Douglas,
1
Dombeck, Michael P.
1
Dorsey, Leroy G., 1959-
1
Flippen, J. Brooks, 1959-
1
Graham, Frank, 1925-
1
Guss, Alison
1
Hays, Samuel P.,
1
Maher, Neil M., 1964-
1
McHenry, Robert
1
Mitchell, Lee Clark, 1947-
1
Mitchell, Lee Clark, 1957-
1
NetLibrary, Inc
1
Petulla, Joseph M.
1
Pinchot, Gifford, 1865-1946
1
Pinchot, Gifford, 1865-1946,
1
Public Broadcasting Service (U.S.)
1
Quackenbush, Robert, 1929-
1
Robert Stone Productions
1
Steen, Harold K.
1
Stine, Jeffrey K.,
1
Stone, Robert, 1958-
1
Stradling, David
1
Train, Russell E., 1920-
1
Udall, Stewart L.
1
Udall, Stewart L.,
1
United States. Forest Service
1
Van Doren, Charles Lincoln, 1926-
1
Williams, Jack Edward
1
Wood, Christopher A.
1