Mexican Copper Tools_ The Use of Copper by the Mexicans Before the Conquest; and The Katunes of Maya History, a Chapter in the Early History of Central America, With Special Reference to the Pio Perez Manuscript.
The Mute Stones Speak_ The Story of Archaeology in Italy
Dell'antico stato del lago di Pusiano nell'alto Milanese
Rambles in Yucatan; or, Notes of Travel Through the Peninsula Including a Visit to the Remarkable Ruins of Chi-Chen, Kabah, Zayi, and Uxmal. 2nd ed
American Indian Ways of Life_ An Interpretation of the Archaeology of Illinois and Adjoining Areas