Author
American Philosophical Society
1
Carter, Edward C., II, 1928-2002
1
Chaffin, Tom
1
Clatsop County Genealogy Society
1
Danisi, Thomas, 1951-
1
Gilbert, Bil
1
Goetzmann, William H.
1
Hantman, Jeffrey L.
1
Jones, Landon Y., 1943-
1
Lewis & Clark Descendant Project
1
Nebraska State Historic Preservation Office (Lincoln, Neb.)
1
Nebraska State Historical Society (Lincoln, Neb.)
1
Onuf, Peter S.
1
Seefeldt, Douglas, 1964-
1
Stroud, Patricia Tyson,
1
Wexler, Sanford
1