The Charles G. Coutant Collection consists of biographies and assorted Wyoming history material that was probably intended for the unfinished "History of Wyoming volumes II and III" as planned by Coutant.

Publications concerning the Episcopal Church in Wyoming and the church’s activities

Musical culture in Sweetwater County from the 1920s to the 1950s. Among the records are newspaper articles, programs, correspondence, publicity notices, and minutes. Besides his own work, Brueggemann also collected records and references about civic and religious musical events and organizations in which he was not a participant.

Correspondence and eductational records for the Rev. John A. Nordstrom Family, as well as a survey of Wyoming Baptists Churches compiled by Rev. Nordstrom in 1935.

The collection consists of records from several accessions documenting the activities, accomplishments, membership, and history of St. Mark’s Episcopal Church.

This collection contains some records from the national church, but is primarily comprised of records of two woman's organizations - the Sheridan Presbyterial Society and Wyoming Synodical Society - and of the Synod of Wyoming.

The T. Blake Kennedy Collection contains court records from the trail of Tom Horn as well as publications from organizations of which Kennedy was a member.

This collection contains various records about social groups and events, education and the South Side Congregational Church in Cheyenne in the latter part of the 1800s. Bonser was a religious man and acquired religious tracts, pamphlets and other related records.