Perhaps you should try some spelling variations:
york volunteer » form volunteer, worker volunteer, mock volunteers
volunteer it's » volunteer iv, volunteer task, volunteer inputs
volunteer iii » volunteer vii, volunteer iv, volunteering iii
it's regiment » its regiment, king's regiment, kirk's regiment
iii regiment » his regiment, ist regiment, ii regimento

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 iii regiment ) OR ( 7th new york volunteer it's regiment )).
• Adding a wildcard symbol may retrieve word variants: (( 7th new york volunteer iii regiment ) or ( 7th new york volunteer it's regiment ))*.