Perhaps you should try some spelling variations:
"specimens philosophical critical" » "specimen philosophiae critical", "peirce's philosophical critical", "studies philosophical critical", "specimens philosophical critique", "specimens philological critical", "specimens philosophical writings"
"specimens philological polemical" » "specimen histological polemical", "specimen pathological polemical", "specimina philologiae polemical", "specimens philological philomedical", "specimens philosophical political", "specimens philological critical"
"specimina philologica slavicae" » "specimina philologiae slavicae", "specimina philologica slavica", "specimina philologie slave"

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