Perhaps you should try some spelling variations:
yorkshire volunteer » hampshire volunteers
infantry treatment » infants treatment, infancy treatment, infantry regiment
volunteer based » volunteers raised, volunteer late, volunteer armed
new yorkshire » en yorkshire, west yorkshire, _ yorkshire

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 treatment ) OR ( 7th new yorkshire volunteer based treatment )).
• Adding a wildcard symbol may retrieve word variants: (( 7th new yorkshire volunteer infantry treatment ) or ( 7th new yorkshire volunteer based treatment ))*.