Perhaps you should try some spelling variations:
york volunteer » worker volunteer, mock volunteers, words volunteer
form volunteer » foot volunteer, from volunteer, forming volunteer
its regiment » his regiment, 9th regiment, ist regiment
das regiment » a regiment, his regiment, das regime

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: 7th new ((york volunteer) OR (form volunteer)) ((its regiment) OR (das regiment)).
• The words AND, OR and NOT may confuse the search; try adding quotes: "7th new ((york volunteer) or (form volunteer)) ((its regiment) OR (das regiment))".
• Adding a wildcard symbol may retrieve word variants: 7th new ((york volunteer) or (form volunteer)) ((its regiment) OR (das regiment))*.