Perhaps you should try some spelling variations:
"frederick henry pierce" » "frederick earl pierce", "frederick howard pierce", "frederick handel pierce", "frederick henry percy", "frederick henri pierre", "frederick henry pearce"
"frederick henry piers" » "frederick earl piers", "frederick howard piers", "frederick handel piers", "frederick henry tiers", "frederick henry piero"

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: "((\"frederick henry pierce\") OR (\"frederick henry piers\"))".
• Removing quotes may allow a broader search: (( frederick henry pierce ) OR ( frederick henry piers )).
• Adding a wildcard symbol may retrieve word variants: (("frederick henry pierce") OR ("frederick henry piers"))*.