Subject (Region)
- New England730
- South America698
- Great Britain690
- Texas666
- Great Plains633
- France600
- Washington (State)588
- Southern States586
- Massachusetts573
- Pennsylvania559
- Northwest, Pacific520
- Northwest, Canadian496
- Florida475
- Minnesota468
- Montana467
- Mississippi River Valley454
- New France445
- Michigan417
- Pacific Coast (North America)416
- South Dakota408