Perhaps you should try some spelling variations:
bibliotheca historical » bibliotheca historica (Expand Search)
bibliotheca istoria » bibliotheca historica (Expand Search)
historical romaniae » historica romaniae (Expand Search)
istoria romaniae » historica romaniae (Expand Search), istoria romanilor (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 istoria romaniae 1 ) OR ( bibliotheca historical romaniae 1 ))~".
• Adding a wildcard symbol may retrieve word variants: (( bibliotheca istoria romaniae 1 ) OR ( bibliotheca historical romaniae 1 ))*.