Perhaps you should try some spelling variations:
information bibliography » notation bibliography, introduction bibliography, approximation bibliography
bibliography sources » bibliography resources, biography sources, bibliographical sources
many reformations » many generations, many revolutions, many relations
early information » early formation, timely information, early integration
biography series » biography pericles, biography sources, biography sermons
_ reformations » _ reformation, a reformation, _ reformulation

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: (( ((many reformations) OR (_ reformations)) biography series ) OR ( early information bibliography sources )).
• The words AND, OR and NOT may confuse the search; try adding quotes: "(( ((many reformations) OR (_ reformations)) biography series ) or ( early information bibliography sources ))".
• Adding a wildcard symbol may retrieve word variants: (( ((many reformations) OR (_ reformations)) biography series ) or ( early information bibliography sources ))*.