Perhaps you should try some spelling variations:
"historian" » "historia", "histories", "historic"
"historians" » "historias", "historiess", "historics", "histories"
"historicis" » "historicist", "historicos", "historicas"
"historicism" » "historicistm", "historicosm", "historicasm", "historicos", "historicity", "historicas"

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