Debates and votes occur on the floor of Congress. For debates, see the Congressional Record. Votes are taken in different ways, such as, a final tally, a roll call vote, or a voice vote.
Many older publications have been digitized and are available through collections such as:
Google Books, HaithiTrust, and Internet Archives
You can find these by searching the title of the publication in Google or in DELCAT Discovery.
B.A., History. University of North Carolina, Chapel Hill. 1973.
M.S., Library Science. University of North Carolina, Chapel Hill. 1981.