Perhaps you should try some spelling variations:
reformation biography » information bibliography
rand reformation » und reformation, said reformation, any reformation
biography series » biography pericles, biography sources, biography sermons
der reformation » _ reformation, a reformation

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: (( rand reformation biography series ) OR ( der reformation biography series )).
• Adding a wildcard symbol may retrieve word variants: (( rand reformation biography series ) or ( der reformation biography series ))*.