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

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 ((( specimens philosophiae slavicae ) OR ( specimens philologica slavicae )))).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( specimen philosophiae slavicae ) or ((( specimens philosophiae slavicae ) OR ( specimens philologica slavicae ))))".
• Adding a wildcard symbol may retrieve word variants: (( specimen philosophiae slavicae ) or ((( specimens philosophiae slavicae ) OR ( specimens philologica slavicae ))))*.