The Lewis & Clark Special Collections holds a number of archival collections with content related to the Lewis & Clark Expedition. Each of these collections is described in detail in a finding aid. The collections titles are listed below with links to their respective finding aids.
The Irving W. Anderson Collection
http://nwda.orbiscascade.org/ark:/80444/xv72514
Publication Files for Only One Man Died: The Medical Aspects of the Lewis and Clark Expedition
http://nwda.orbiscascade.org/ark:/80444/xv91670
The Coues-Anderson Manuscript Transcript of the Lewis and Clark Journals 1892-1893
http://nwda.orbiscascade.org/ark:/80444/xv15064
The Editorial Files for Jefferson's Western Explorations 2003-2004
http://nwda.orbiscascade.org/ark:/80444/xv56863
The Editorial Files for The Literature of the Lewis and Clark Expedition 2003-2004
http://nwda.orbiscascade.org/ark:/80444/xv86502
Screenplay about Lewis and Clark by Ernest Pascal 1947
http://nwda.orbiscascade.org/ark:/80444/xv89956
The Publication Files for George Drouillard by M. O. Skarsten 1963-1964
http://nwda.orbiscascade.org/ark:/80444/xv50629
The Bill White Lewis and Clark Expedition Bicentennial Collection 2004-2008
http://nwda.orbiscascade.org/ark:/80444/xv57653
The Della Gould Emmons Collection 1944
http://nwda.orbiscascade.org/ark:/80444/xv32275