Perhaps you should try some spelling variations:
letters nerve » letter nerve (Expand Search), letters never (Expand Search), letters nurse (Expand Search)
absent nerve » bent nerve (Expand Search), abducent nerve (Expand Search), augment nerve (Expand Search)
benigno bone » benign bone (Expand Search), benign one (Expand Search), benign bony (Expand Search)
nerve cause » nerve caused (Expand Search), nerves cause (Expand Search), nerve case (Expand Search)
j letters » bj letters (Expand Search), _ letters (Expand Search), 5 letters (Expand Search)
j benigno » a benigno (Expand Search), c benigno (Expand Search), _ benigno (Expand Search)
bone case » one case (Expand Search)
l absent » _ absent (Expand Search), 1 absent (Expand Search), 17 absent (Expand Search)
cause di » cause de (Expand Search), cause d (Expand Search), cause du (Expand Search)
nerve c » nerve cn (Expand Search), nerve co (Expand Search), nerve ct (Expand Search)
case 1 » case _ (Expand Search), case 2 (Expand Search)
c dis » c dias (Expand Search), c disc (Expand Search), c dos (Expand Search)

You can also try:

• Europeana
• Digital Public Library of America
• CORE

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: (( j letters nerve c dis ) OR ((( l absent nerve cause di ) OR ( j benigno bone case 1 ))))~.
• Adding a wildcard symbol may retrieve word variants: (( j letters nerve c dis ) or ((( l absent nerve cause di ) or ( j benigno bone case 1 ))))*.