Perhaps you should try some spelling variations:
bibliotheca » bibliothek (Expand Search)
historischer » historische (Expand Search), historischeer (Expand Search), historischeser (Expand Search)
historischen » historische (Expand Search), historischeen (Expand Search), historischesen (Expand Search)
romaniae » romania (Expand Search), romanian (Expand Search), roumanian (Expand Search)
historisch » historische (Expand Search), historisches (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 (((historischer OR historischen) romaniae) OR ((historisch OR historical) romaniae)) 1~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "bibliotheca (((historischer OR historischen) romaniae) OR ((historisch OR historical) romaniae)) 1".
• Adding a wildcard symbol may retrieve word variants: bibliotheca (((historischer OR historischen) romaniae) OR ((historisch OR historical) romaniae)) 1*.