Perhaps you should try some spelling variations:
"historian" » "historia", "historic"
"historians" » "historias", "historics"
"historikers" » "historiker", "historikern"
"historiese" » "historicise", "historie", "historiae"

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 "historical") OR (("historians" OR "histories") OR ("historikers" OR "historiese"))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"historian\" OR \"historical\") or ((\"historians\" or \"histories\") or (\"historikers\" or \"historiese\")))".
• Removing quotes may allow a broader search: (( historian OR historical ) or (( historians or histories ) or ( historikers or historiese ))).
• Adding a wildcard symbol may retrieve word variants: (("historian" OR "historical") or (("historians" or "histories") or ("historikers" or "historiese")))*.