Perhaps you should try some spelling variations:
diligence preparation » evidence preparation, science preparation, intelligence preparation
stock diligence » utmost diligence
c 1873 » _ 1873, c 1870, 5 1873
1 1873 » _ 1873, 1 1803, 1 1813
east » fast, easy

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: "east india stock diligence preparation ((c 1873) OR (1 1873))".
• Adding a wildcard symbol may retrieve word variants: east india stock diligence preparation ((c 1873) OR (1 1873))*.