Perhaps you should try some spelling variations:
"polnischer biographical dictionary" » "polnische biographical dictionary" (Expand Search), "polnischen biographical dictionary" (Expand Search), "polnisch biographical dictionary" (Expand Search), "polnischer biographische dictionary" (Expand Search), "polnischer biographie dictionary" (Expand Search), "polnischer biographi dictionary" (Expand Search)
"polnischeer biographical dictionary" » "polnischeer biographische dictionary" (Expand Search), "polnischeer biographie dictionary" (Expand Search), "polnischeer biographi dictionary" (Expand Search)

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

• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"polnischer biographical dictionary\") OR (\"polnischeer biographical dictionary\"))~".
• Removing quotes may allow a broader search: (( polnischer biographical dictionary ) OR ( polnischeer biographical dictionary ))~.
• Adding a wildcard symbol may retrieve word variants: (("polnischer biographical dictionary") OR ("polnischeer biographical dictionary"))*.