*HISTORY/HUMANITIES RESEARCH*

• s:sources
    Soviet Union -- History -- Sources
    France -- History -- Revolution, 1789-1799 -- Influence – Sources
• s:correspondence
    Prime ministers -- Great Britain -- Correspondence
    Stalin, Joseph, 1879-1953 – Correspondence
• s:personal narratives
    World War, 1939-1945 -- Personal narratives
    Berlin (Germany) -- History -- Blockade, 1948-1949 -- Personal narratives
• s:diaries
    War correspondents -- United States -- Diaries.
    Bush, George, 1924- -- Diaries.
• s:speeches
    Speeches, addresses, etc.
• s:pictorial works
    Holocaust, Jewish (1939-1945) -- Pictorial works.
    Spain -- History -- Civil War, 1936-1939 -- Pictorial works
• s:archivesMcCormick, Vance Criswell, 1872-1946 -- Archives.
  World War, 1939-1945 -- Claims -- Archival resources.
• s:material culture

Author Searching
If an historical figure that is important to your research has published books, search for them as an author:

• Khrushchev, Nikita Sergeevich, 1894-1971
• Gorbachev Mikhail Sergeevich 1931

• Words in Subject Headings 
      s:world war and (s:sources or s:correspondence or s:personal narratives)
      s:world war and (s:diaries or s:pictorial works or s:archiv*) 
   
• Search by Author  a:foner and a:eric  
   
• Search by Title  t:underground railroad and t:reference 
   
• Mixed Source Types: s:world war and s:1914-1918 and t:western front

• Some keywords that are associated with primary source materials:
  letters, diaries, papers, memoirs, autobiography, journals, documents, dossiers, transcripts, reports
   
• Sample search using primary source keywords:
  s:stalin and (letters or diaries or memoirs or papers or autobiograph*)