Perhaps you should try some spelling variations:
historischer » historische (Expand Search), historischen (Expand Search)
romaniae » romania (Expand Search), romanian (Expand Search), romane (Expand Search)
roumanian » romanian (Expand Search), rumanien (Expand Search), romania (Expand Search), roumanien (Expand Search), rumanian (Expand Search)
roumanien » rumanien (Expand Search), roumanie (Expand Search), rumaniens (Expand Search)
roumania » romania (Expand Search), roumanie (Expand Search), rumania (Expand Search)

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

• Performing a fuzzy search may retrieve terms with similar spellings: (bibliotheca OR bibliothek) historischer (romaniae OR ((roumanian OR roumanien) OR roumania)) 1~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(bibliotheca OR bibliothek) historischer (romaniae OR ((roumanian OR roumanien) OR roumania)) 1".
• Adding a wildcard symbol may retrieve word variants: (bibliotheca OR bibliothek) historischer (romaniae OR ((roumanian OR roumanien) OR roumania)) 1*.