Perhaps you should try some spelling variations:
101 william » 11 william, 1891 william, 13 william
2c william » 2 william, c william, 21 william
51 william » 11 william, 13 william, 2 william
21 1799 » 29 1799, 31 1799, 1 1799
11 1799 » 14 1799

Try widening your search to All Fields.

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: %22pitt%((2c william) OR (((((101 william) OR (51 william))) OR (1 william)))) %((21 1799) OR (11 1799))-1806%22.
• Adding a wildcard symbol may retrieve word variants: %22pitt%((2c william) or (((((101 william) or (51 william))) or (1 william)))) %((21 1799) or (11 1799))-1806%22*.