Frémont, J. C. (1851). Oregon and California: The exploring expedition to the Rocky Mountains, Oregon and California. To which is added a description of the physical geography of California. With recent notices of the gold region from the latest and most authentic sources. Buffalo [u.a.]: Derby [u.a.].

Frémont, John Charles. Oregon and California: The Exploring Expedition to the Rocky Mountains, Oregon and California. To Which Is Added a Description of the Physical Geography of California. With Recent Notices of the Gold Region From the Latest and Most Authentic Sources. Buffalo [u.a.]: Derby [u.a.], 1851.

Frémont, John Charles. Oregon and California: The Exploring Expedition to the Rocky Mountains, Oregon and California. To Which Is Added a Description of the Physical Geography of California. With Recent Notices of the Gold Region From the Latest and Most Authentic Sources. Buffalo [u.a.]: Derby [u.a.], 1851.