Perhaps you should try some spelling variations:
"historian" » "historia"
"historians" » "historias"
"historiens" » "historie", "historicos", "historias", "histories", "historikerns", "historikers"
"historien" » "historie", "historikern", "historiker"
"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 (("historiens" OR "historien") OR "historiae")) OR "historical") OR ("historians" OR ("historic" OR "histories"))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(((\"historian\" or ((\"historiens\" OR \"historien\") or \"historiae\")) or \"historical\") or (\"historians\" or (\"historic\" or \"histories\")))".
• Removing quotes may allow a broader search: ((( historian or (( historiens OR historien ) or historiae )) or historical ) or ( historians or ( historic or histories ))).
• Adding a wildcard symbol may retrieve word variants: ((("historian" or (("historiens" OR "historien") or "historiae")) or "historical") or ("historians" or ("historic" or "histories")))*.