Grace Raymond Hebard

Sacajawea and the Wright Brothers

Marking the Oregon Trail, the Bozeman Road and Historic Places in Wyoming 1908-1920

The Bozeman Trail

Bozeman Trail; Volume 2

Bozeman Trail; Volume 1

History and Government of Wyoming

Sacajawea

Bozeman Trail; Historical Accounts of the Blazing of the Overland Routes into the Northwest, and the Fights with Red Cloud's Warriors -

The pathbreakers from river to ocean