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 » specimens philological, specimen philosophiae
specimina philologica » specimens philological

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