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

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 )).
• Adding a wildcard symbol may retrieve word variants: (( specimens philosophical political ) or ( specimina philologiae slavicae ))*.