Perhaps you should try some spelling variations:
bibliotheca americana » bibliotheca askeviana, bibliotheca martiniana, bibliotheca salmoniana
bibliotheca hertziana » bibliotheca harleiana, bibliotheca martiniana, bibliotheca smithiana
biblioteca austriaca » biblioteca apostolica, bibliotheca asservata, biblioteca americana

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 austriaca) OR (bibliotheca americana))) OR (bibliotheca hertziana)).
• Adding a wildcard symbol may retrieve word variants: ((((biblioteca austriaca) or (bibliotheca americana))) or (bibliotheca hertziana))*.