Sparks, Richard E. 16 Mohlenbrock, Robert H., 1931- 11 Illinois. Dept. of Transportation 9 National Great Rivers Research and Education Center - NGRREC 6 Bradbury, Ray, 1920- 5 Illinois. Natural History Survey Division. River Research Laboratory 5 Asch, David L. 4 Blodgett, K. Douglas 4 Illinois. Dept. of Natural Resources 4 Art Institute of Chicago 3 Center for American Archeology (U.S.) 3 Conner, Michael D. 1952- 3 Horrell, C. William 3 Illinois Center for Aquatic Ecology 3 Illinois State Historical Society 3 Illinois. Natural History Survey Division 3 Illinois. Office of Secretary of State 3 Independent Television Service 3 Lerczak, Thomas V. 3 Nowlan, James Dunlap, 1941- 3 Paparo, Anthony A. 3 Pease, Theodore Calvin, 1887-1948 3 Sandusky, Michael J. 3 Universal Pictures (Firm) 3 Alvord, Clarence Walworth, 1868-1928 2 Asch, Nancy B. 2 Banovetz, James M. 2 Bogart, Ernest Ludlow, 1870-1958 2 Buikstra, Jane E. 2 Chicago Historical Society 2 Critical Trends Assessment Project 2 Ekberg, Carl J. 2 Emerson, Thomas E., 1945- 2 Fowler, Melvin L. 1924- 2 Illinois 2 Illinois History Collection 2 Illinois. Department of Natural Resources 2 Illinois. Sesquicentennial Commission 2 Jensen, Richard J. 2 Jones, George Neville, 1904- 2 Keiser, John H., 1936- 2 Koel, Todd Marvin 2 Larson, Erik 2 Marsh, Carole 2 McGimsey, Charles R., 1954- 2 Pauketat, Timothy R. 2 Peck, Richard, 1934- 2 Redfield, Kent 2 Russell, Herbert K., 1943- 2 Stafford, Barbara D., 1951- 2 Stafford, C. Russell 2 Thompson, Charles Manfred, 1877-1963 2 Thompson, Erwin A. 2 United States. Bureau of the Census 2 Universal Studios Home Entertainment (Firm) 2 University of Illinois at Urbana-Champaign. Water Resources Center 2 Venkatesh, Sudhir Alladi 2 Voigt, John W. 2 Warner Home Video (Firm) 2 Winterringer, Glen Spelman, 1906- 2 Wood, James N. 2 A & M Films 1 Abraham Lincoln Association (Springfield, Ill.) 1 Abraham Lincoln Presidential Library 1 Abrams, Joshua 1 Achilles, Rolf 1 Adams, Jonathan, 1967- 1 Adams-Graf, John 1 Admire, J. Neil, 1935- 1 Aldrich, C. Knight 1914- 1 Allen, Dede 1 Allen, John W. 1 Allen, John W. 1887-1969 1 Alton Area Landmarks Association 1 Andrews, Wayne 1 Angle, Paul M. 1900-1975 1 Annie E. Casey Foundation 1 Arliss, Dimitra, 1932- 1 Arts and Entertainment Network 1 Atwood, Colleen 1 Avnet, Jon, 1949- 1 BBC Storyville (Firm) 1 BOC, Inc 1 Baatz, Simon 1 Baldwin, Carl R. 1 Baldwin, Davarian L. 1 Baranski, Christine 1 Barry, John, 1933- 1 Beal, Jeff 1 Bechtold, Phyllis 1 Beebe, Dion 1 Beecher, Edward, 1803-1895 1 Beimler, Hans 1 Bell, Taylor H. A., 1940- 1 Benchley, Elizabeth D. 1 Berg, Rudy D. 1 Berman, Jennifer (Film producer) 1 Bernstein, Jack 1 Bill, Tony, 1940- 1 Birkbeck, Morris, 1764-1825 1