1. Common Cause Records, 1968-1991 Common Cause (U.S.) [Browse] Manuscript Loading...Mudd Manuscript Library - Mudd Archival. Special Collections Use Only » MC054
2. Howard C. Petersen Papers, 1915-1995 1935-1970 Petersen, Howard C. (Howard Charles), 1910-1995 [Browse] Manuscript Loading...Mudd Manuscript Library - Mudd Archival. Special Collections Use Only » MC196