1824-

• ProQuest Congressional
• CIS U.S. Congressional Committee Hearings Index.  Holland and Terrell Reference KF49 C62 U5x . Print index covers from 1833-1969.

1869-1980

• U.S. Congress.  Senate.  Library.  Cumulative Index of Congressional Committee Hearings (not confidential in character).  Prior to January 3, 1935 in the United States Senate Library.  (Supplements cover to 1980)  Holland and Terrell U.S. Govt-Docs Y 1.3 H35/2 1935

1900-

• U.S. Public Documents Office.  Monthly Catalog of United States Government Publications.  Holland and Terrell Reference U.S. Govt-Docs GP 3.8 and online

1920’s-

• Search It (Search by author, title, subject and SuDocs number, not all hearings are available in Search It as you go farther back )

1970-2003

• Congressional Information Service.  CIS Index.  Holland and Terrell Z 1223 Z7 C6

1976-

• Catalog of U.S. Government Publications>

87th Congress (1961-1962)-current (Note:  Most congressional hearings are published two months to two years after they are held)

• govinfo