Perhaps you should try some spelling variations:
"historian" » "historia", "histories", "historic"
"historians" » "historias", "historiess", "historics", "histories"
"historias" » "histories", "historia", "historicos"
"historiae" » "historia", "historie", "historiker"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: ("historian" OR (("historians" OR ("historias" OR "historiae")) OR "historical")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(\"historian\" or ((\"historians\" or (\"historias\" OR \"historiae\")) or \"historical\"))".
• Removing quotes may allow a broader search: ( historian or (( historians or ( historias OR historiae )) or historical )).
• Adding a wildcard symbol may retrieve word variants: ("historian" or (("historians" or ("historias" OR "historiae")) or "historical"))*.