Perhaps you should try some spelling variations:
specimens philosophical » specimen philosophiae, specimens philological, peirce's philosophical
philosophical political » philosophical critical, philosophy political, philosophical physical
philologiae slavicae » philologica slavica, philologie slave
philologica slavicae » philologica slavica, philologie slave, philologica sive

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