Perhaps you should try some spelling variations:
"bibliotheca historical romaniae 1918" » "bibliotheca historica romaniae 1918" (Expand Search), "bibliotheca historical rumanien 1918" (Expand Search), "bibliotheca historical romania 1925" (Expand Search), "bibliotheca historical romaniae 1" (Expand Search)
"bibliotheca historica romania 1918" » "bibliotheca historica romaniae 1918" (Expand Search), "bibliotheca historica romania 1925" (Expand Search), "bibliotheca historica rumanien 1918" (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 historica romania 1918") OR ("bibliotheca historical romaniae 1918"))~.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((\"bibliotheca historica romania 1918\") OR (\"bibliotheca historical romaniae 1918\"))*".
• Removing quotes may allow a broader search: (( bibliotheca historica romania 1918 ) OR ( bibliotheca historical romaniae 1918 ))*.