Perhaps you should try some spelling variations:
2c william » 2 william, 21 william, 23 william
c william » c williams, 5 william, 2 william
26 1759 » 29 1759, 2 1759, 21 1759
16 1759 » 16 1755, 14 1759, 16 1799
21 1755 » 21 1745, 1 1755, 21 1795

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 (c william)) %((((26 1759) OR (16 1759))) OR (21 1755))-1806%22.
• The words AND, OR and NOT may confuse the search; try adding quotes: "%22pitt%((2c william) OR (c william)) %((((26 1759) or (16 1759))) or (21 1755))-1806%22".
• Adding a wildcard symbol may retrieve word variants: %22pitt%((2c william) OR (c william)) %((((26 1759) or (16 1759))) or (21 1755))-1806%22*.