Perhaps you should try some spelling variations:
"specimens philosophiae slavicae" » "specimen philosophiae slavicae", "species philosophy slavicae", "species philosophers slavicae", "specimens philosophiae publice", "specimens philologica slavicae", "specimens philosophiae suae"
"specimen philologiae slavicae" » "specimina philologiae slavicae", "specimens philological slavicae", "specimen philosophiae slavicae", "specimen philologica slavicae", "specimen philologica slavica", "specimen philologie slave"

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 philologiae slavicae") OR ("specimens philosophiae slavicae"))*.
• Removing quotes may allow a broader search: (( specimen philologiae slavicae ) or ( specimens philosophiae slavicae ))*.