Perhaps you should try some spelling variations:
bibliothek historica » bibliotheca historica (Expand Search)
historica rumanien » historica romaniae (Expand Search)
historica romania » historica romaniae (Expand Search)
rumanien _ » rumaniens _ (Expand Search), rumanen _ (Expand Search), rumanien im (Expand Search)
romania 1 » romaniae 1 (Expand Search), romania 1918 (Expand Search), romania 1925 (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: "(( bibliothek historica rumanien _ ) OR ( bibliothek historica romania 1 ))~".
• Adding a wildcard symbol may retrieve word variants: (( bibliothek historica rumanien _ ) OR ( bibliothek historica romania 1 ))*.