It Happened in New Mexico: Stories of Events and People That Shaped the Land of Enchantment, Edition 3

It Happened in Texas: Stories of Events and People that Shaped Lone Star State History, Edition 4

It Happened in Arizona: Remarkable Events That Shaped History: Edition 3

On the Santa Fe Trail

It Happened in Colorado: Edition 3

It Happened in Washington: Remarkable Events that Shaped History, Edition 3

It Happened in the Old South: Remarkable Events That Shaped History

It Happened In Oregon: Stories of Events and People that Shaped Beaver State History, Edition 3

It Happened in Georgia: Stories of Events and People that Shaped Peach State History, Edition 3

It Happened on the Mississippi River

It Happened in Montana: Edition 3

The Settlement of America: An Encyclopedia of Westward Expansion from Jamestown to the Closing of the Frontier

The Settlement of America: An Encyclopedia of Westward Expansion from Jamestown to the Closing of the Frontier