Perhaps you should try some spelling variations:
"specimen philosophiae slavicae" » "specimen philosophiae publice", "specimen philosophie islamic"
"speciess philosophiae slavicae" » "speciess philosophiae publice", "speciess philosophie islamic", "species philosophy slavicae", "spencers philosophie slavicae", "access philosophie slavicae"
"species philosophers slavicae" » "species philosophers france", "species philosophers have", "species philosophers american", "species philosophy slavicae", "sciences philosophers slavicae", "grecian philosophers slavicae"
"specimens philologica slavicae" » "specimens philological slavicae", "specimina philologica slavicae", "specimina philologiae slavicae", "specimens philologica slavica", "specimens philologie slave", "specimens philologica sive"
"specimen philologiae slavicae" » "specimina philologiae slavicae", "specimens philological slavicae", "specimina philologica slavicae", "specimen philologica slavica", "specimen philologie slave"
"specimen philosophiae suae" » "specimen philosophicae sive", "specimen philosophicae quas", "specimen philosophiae essay"

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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 slavicae") OR ("specimen philosophiae suae"))) OR ("specimen philologiae slavicae"))) OR ((((("species philosophers slavicae") OR ("speciess philosophiae slavicae"))) OR ("specimens philologica slavicae")))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((((\"specimen philosophiae slavicae\") OR (\"specimen philosophiae suae\"))) or (\"specimen philologiae slavicae\"))) or (((((\"species philosophers slavicae\") or (\"speciess philosophiae slavicae\"))) or (\"specimens philologica slavicae\"))))".
• Removing quotes may allow a broader search: (((((( specimen philosophiae slavicae ) OR ( specimen philosophiae suae ))) or ( specimen philologiae slavicae ))) or ((((( species philosophers slavicae ) or ( speciess philosophiae slavicae ))) or ( specimens philologica slavicae )))).
• Adding a wildcard symbol may retrieve word variants: (((((("specimen philosophiae slavicae") OR ("specimen philosophiae suae"))) or ("specimen philologiae slavicae"))) or ((((("species philosophers slavicae") or ("speciess philosophiae slavicae"))) or ("specimens philologica slavicae"))))*.