biblio toscana

[9]: The Oregon trail

Parkman, Francis Boston : Little, Brown, and co., 1896

The Oregon trail

Parkman, Francis Harmondsworth : Penguin books, 1949

Serie: Penguin Books

The Oregon trail

Parkman, Francis New York : The new american library, 1953

Serie: A mentor book ; A mentor book

The Oregon Trail

Parkman, Francis New York : Mentor, 1953

The Oregon trail

Parkman, Francis New York : Hart Publishing Company, c1977