1905 – 1954
Bibliografía (9 obras)
Westward
1969
The sentimental years, 1836-1860
1962
The story of America in pictures
1946
Notes and documents
1937
The sentimental years
1934
Westward; the romance of the American frontier
1930
The hunting of the buffalo
1929
The cowboy and his interpreters
1926
