Civilization in Transition (1789-1870)Vanguard Press New York, Harrison Cook 1888-1969 Thomas, William Albert 1892- Author Hamm · First published 2021Open the Tome
A unit history of the United StatesWilliam Albert Hamm · First published 1932 · Latest edition 1935Open the Tome
The foundations of modern civilizationHarrison Cook Thomas, William A. Hamm, William Albert Hamm · First published 1927Open the Tome
