Perhaps you should try some spelling variations:
"bibliotheca askeviana" » "bibliotheca banksiana", "bibliotheca harleiana", "bibliotheca americana"
"biblioteca ambrosiana" » "biblioteca americana", "biblioteca moreniana", "bibliotheca moresiana"
"biblioteca medicea" » "bibliothecae mediceae", "biblioteca americana", "bibliotheca meadiana"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (("biblioteca medicea") OR ((("bibliotheca askeviana") OR ("biblioteca ambrosiana")))).
• Removing quotes may allow a broader search: (( biblioteca medicea ) or ((( bibliotheca askeviana ) or ( biblioteca ambrosiana )))).
• Adding a wildcard symbol may retrieve word variants: (("biblioteca medicea") or ((("bibliotheca askeviana") or ("biblioteca ambrosiana"))))*.