A file containing a variety of topics which include: requests for information, invitations, advice, telegrams, women's suffrage, reforms, irrigation, conventions, subscriptions, donations, consulate requests, Hanna disaster, school lands, University of Wyoming, resignations. Federal entities are alphabetical under U. S. Wyoming entities are under Wyoming.

Of note is correspondence from Senator F. E. Warren, Clara Barton, President Teddy Roosevelt and William F. Cody.

All Tom Horn correspondence is located under subject file 08. There is also a file containing a listing of several nationalities, families in the Hanna area. There is no date, located prior to the A B General Correspondence file.