Selections From Letters Written During a Tour Through the United States, in the Summer and Autumn of 1819
Rambles in the Rocky Mountains: With a Visit to the Gold Fields of Colorado.
Report As to Improving the Navigation of the Rivers Forth &C And the Advantages of Small Canals Demonstrated
Wanderings in Patagonia; or, Life Among the Ostrich-Hunters [1879]
Our South American Cousins [1878]
Our Inland Seas: Their Shipping & Commerce for Three Centuries,
Reminiscences of Abraham Lincoln and Notes of a Visit To California.: Two Lectures.
Eldorado, or, Adventures in the Path of Empire