The pattern of Mark Twain's roughing it :
The pattern of Mark Twain's roughing it : letters from Nevada by Samuel and Orion Clemens, 1861-1862. /
Coll. and ed. by Franklin R. Rogers.
- Berkeley ; Los Angeles : University of California Press, 1961.
- viii, 72 p. 24 cm.
- University of California publications. English studies 23 .