Combine these keywords with your search topic:

• sources [documents collected from multiple sources]
• archives [use for people or organizations]
• facsimiles
• correspondence [use with names of people, families, ethnic groups, organizations]
• description and travel [use with names of places]
• diaries [use with names or classes of people, ethnic groups, organizations]
• journals
• interviews [use with names or classes of people, ethnic groups, organizations]
• notebooks [use with names of people]
• speeches
• sermons
• pamphlets
• personal narratives [use only with armed conflicts or events]
• pictorial works
• posters
• photographs
• Press coverage
• caricatures and cartoons
• diplomatic history [used only with armed conflicts]
• treaties (used with subjects, geographic areas, ethnic groups, wars)
• maps