The papers of C.B. Baldwin consist of thirty-two linear feet of manuscripts dating from 1933 to 1975, documenting his career. Arranged in eleven separate series, the collection begins with a general subject file grouping. In these first eleven boxes are materials on Henry A. Wallace, the presidential elections of 1940-1948 and 1960, civil rights, Farmers Union, and correspondence. The second series is made up of speeches given by Baldwin, Wallace, and others. The third set consists of CIO-PAC materials, such as membership lists, news releases, memos, and publicity. Next is the National Citizens Political Action Committee (NCPAC) grouping. It contains notes from trips, publicity, and correspondence. Series five is made up of Progressive Citizens of America (PCA) documents. There are meeting minutes, leaflets, foreign policy papers, and information about state chapters.   The next group is titled Progressive Party. It is composed of papers from various conventions, fact sheets, and platform statements. The seventh series consists of three boxes relating to the U.S. Department of Agriculture. It primarily documents Baldwin's service with the Farm Security Administration (FSA). The last four sections are respectively: photographs, tape recordings, newsclippings, and scrapbooks. There are photographs of such notables as Franklin and Eleanor Roosevelt, Paul Robeson, Fiorello LaGuardia, Henry Morganthau, and Henry A. Wallace. The tape recordings include interviews and Baldwin's memorial service. There are twenty-nine boxes of newsclippings. These are arranged chronologically with some subject folders on such topics as the Progressive Party, PCA, and Henry Wallace. The eleventh and final series consists of three volumes of scrapbooks dating from 1945 to 1948.   Important correspondence can be found throughout the entire collection. There are letters from: Will W. Alexander, Paul H. Appleby, Charlotta A. Bass, Elmer A. Benson, Anita McCormick Blaine, Jo Davidson, W.E.B. Dubois, Elinor Gimbel, Vincent W. Hallinam, Robert E. Hannegan, Moss Hart, Lyndon B. Johnson, Frank Kingdon, Fiorello LaGuardia, Fulton Lewis, Vito Marcantonio, Henry Morgenthau, Dorothy Parker, James G. Patton, Claude Pepper, Gifford Pinchot, Eslanda and Paul Robeson, Franklin D. and Eleanor Roosevelt, Fred W. Stover, Glen Taylor, Theodore O. Thackrey, Rexford G. Tugwell, Henry A. Wallace, and Alexander F. Whitney.