The collection contains correspondence between Square Holt and family members during his Civil War service while he served with the 26^th Michigan Infantry (Union). Also included is a journal written by Melville Titus (brother-in-law of Square Holt), photographs of various Titus and Holt family members, and ephemera created by the both the Titus and Holt families.

This collection consists of a family record book for the William Lafayette Thomas family.  The book begins with genealogical information for William and continues this family’s genealogy through great-grandchildren.  There is also genealogy information for those who married into this family line.