Perhaps you should try some spelling variations:
yorkshire volunteer » hampshire volunteers
new yorkshire » en yorkshire, west yorkshire, _ yorkshire
infantry » infant, infants, infancy
regiment » regimes, regimesnt
regimen » regimesn
regime » regimes

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