Perhaps you should try some spelling variations:
"specimens philological slave" » "specimina philologica slave", "specimen histological slave", "specimen pathological slave", "specimina philological slave", "specimina philologiael slave", "specimen histologicall slave", "specimens philologie slave", "specimens philologica slavicae", "specimens philological essays"
"specimens philologica sive" » "specimina philologica sive", "specimina philologiae sive", "specimen histological sive", "specimens philologica de", "specimens theologica sive", "specimens philosophicae sive"

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