Perhaps you should try some spelling variations:
"william rivers peter" » "william ryves peter", "william rogers peter", "william ives peter", "william ivers peter", "william rivers letter", "william rivers poster"
"william rider peter" » "william robert peter", "william ridgeway peter", "william rinder peter", "william grieder peter", "william nieder peter"

You may be able to get more results by adjusting your search query.

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