Clues to America's past

The first American; a story of North American archaeology,

Indians before Columbus : twenty thousand years of North American history revealed by archeology.

Clues to America's past

River Basin Surveys

Projectile point types of the American Indian : price guide

Report on the mound explorations of the Bureau of Ethnology

Stone age spear and arrow points of the midcontinental and eastern United States : a modern survey and reference

Rare and unusual artifacts of the first Americans

Flint blades and projectile points of the North American Indian

Plants from the past

Hidden cities : the discovery and loss of ancient North American civilization