Perhaps you should try some spelling variations:
"specimens philosophiae slavicae" » "species philosophy slavicae", "species philosophers slavicae", "specimens philological slavicae", "specimens philologiae slavicae", "specimens philologica slavicae", "specimens philosophie islamic"
"specimen philosophiae publice" » "specimen philosophy public"
"specimen philosophiae suae" » "specimen philosophicae sive", "specimen philosophicae quas", "specimen philosophiae essay"

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: (((("specimen philosophiae suae") OR ("specimen philosophiae publice"))) OR ("specimens philosophiae slavicae")).
• Removing quotes may allow a broader search: (((( specimen philosophiae suae ) or ( specimen philosophiae publice ))) or ( specimens philosophiae slavicae )).
• Adding a wildcard symbol may retrieve word variants: (((("specimen philosophiae suae") or ("specimen philosophiae publice"))) or ("specimens philosophiae slavicae"))*.