Perhaps you should try some spelling variations:
"specimens philological slavicae" » "specimina philologica slavicae", "specimen histological slavicae", "specimen pathological slavicae", "specimina philological slavicae", "specimen histologicall slavicae", "specimen pathologicall slavicae", "specimens philologica slavica", "specimens philological polemical", "specimens philological satirical"
"specimens philologica slavicae" » "specimina philologica slavicae", "specimen histological slavicae", "specimen pathological slavicae", "specimens philologica slavica", "specimens philologie slave", "specimens philologica sive"
"specimina philologiae slavicae" » "specimina philologica slavicae", "specimen philosophiae slavicae", "specimina philologica slavica", "specimina philologie slave"

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