Perhaps you should try some spelling variations:
bibliotheca historisch » bibliotheca historica (Expand Search)
bibliotheca historical » bibliotheca historica (Expand Search)
historisch romaniae » historica romaniae (Expand Search)
historical rumanien » historica romaniae (Expand Search)
romaniae 1918 » romania 1918 (Expand Search), romania 1925 (Expand Search), romaniae 1 (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 historisch romaniae 1918 ) OR ( bibliotheca historical rumanien 1918 ))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( bibliotheca historisch romaniae 1918 ) OR ( bibliotheca historical rumanien 1918 ))".
• Adding a wildcard symbol may retrieve word variants: (( bibliotheca historisch romaniae 1918 ) OR ( bibliotheca historical rumanien 1918 ))*.