Perhaps you should try some spelling variations:
specimens philologica » specimens philological, specimina philologica, specimina philologiae
specimen histological » specimens philological, specimen pathological, special histologic
histological slavicae » histological slices, philologica slavicae, histological staging

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 philologica slavica ) OR ( specimen histological slavicae )).
• Adding a wildcard symbol may retrieve word variants: (( specimens philologica slavica ) or ( specimen histological slavicae ))*.