Geographic Subject
United States
28
Pennsylvania
3
Vermont
2
Alabama
1
Arkansas
1
Colorado
1
Connecticut
1
Dakota Territory
1
Florida
1
Georgia
1
Idaho
1
Illinois
1
Indiana
1
Iowa
1
Kansas
1
Kentucky
1
Maryland
1
Massachusetts
1
Minnesota
1
Montana
1
Nebraska
1
New Hampshire
1
New Jersey
1
North Carolina
1
Utah
1
Virginia
1
West Virginia
1
Wyoming
1