Two items may be of interest -- both related to Col. Ely Parker.
The first written 17 December 1867 and published in the San Francisco
_Alta California_ on 28 January 1868 titled "Singular" online at:

http://www.twainquotes.com/18680128.html

The second written 20 December 1867 and published in the Virginia
City _Territorial Enterprise_ on 11 January 1868 titled "The Lost
Chief Found" online at:

http://www.twainquotes.com/18680111t.html

Barb