Perhaps you should try some spelling variations:
"historian" » "historia", "histories"
"historians" » "historias", "historiess", "histories"
"historias" » "histories", "historia", "historicos"
"historiae" » "historia", "historie", "historiker"
"historieal" » "historial", "historicall", "histories"
"historical" » "historiesal"
"historic" » "histories"

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