Perhaps you should try some spelling variations:
"william rider pitt" » "william robert pitt"
"william rider part" » "william robert part", "william reader part", "william binder part", "william order part"
"william ridgeway pitt" » "william ridgway pitt"

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: (((("william rider pitt") OR ("william rider part"))) OR ("william ridgeway pitt")).
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"william rider pitt\") OR (\"william rider part\"))) or (\"william ridgeway pitt\"))".
• Removing quotes may allow a broader search: (((( william rider pitt ) OR ( william rider part ))) or ( william ridgeway pitt )).
• Adding a wildcard symbol may retrieve word variants: (((("william rider pitt") OR ("william rider part"))) or ("william ridgeway pitt"))*.