Perhaps you should try some spelling variations:
historica rumanien » historica romaniae (Expand Search)
historica romania » historica romaniae (Expand Search)
rumanien 1925 » rumanien 1935 (Expand Search), rumanien 1918 (Expand Search), rumanien 1938 (Expand Search)
romania 1925 » romania 1918 (Expand Search)
bibliotheca » bibliothek (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: "(( bibliotheca historica romania 1925 ) OR ( bibliotheca historica rumanien 1925 ))~".
• Adding a wildcard symbol may retrieve word variants: (( bibliotheca historica romania 1925 ) OR ( bibliotheca historica rumanien 1925 ))*.