Bibliografía (23 obras)
The office of President
1975
The Cumberland
1973
The F.B.I.: democracy's guardian
The road to freedom, 1815-1900
1972
The long bondage
The long bondage 1441-1815
When Chicago was young
1971
Tecumseh, Shawnee warrior-statesman
1970
When cowboys rode the Chisholm Trail
1969
When men first flew
The second rebellion
1968
When clipper ships ruled the seas
Flatboat days on frontier rivers
Mississippi steamboat days
1967
When the rails ran west
The fortune road
1965
Moguls and iron men
1964
Maguls and Iron Men
To be a hero
1962
Fiddle Hill
1960
The Big Ivy
1955
Great Gold Mountain
1928
