This collection consists of a single diary with a handful of entries for the spring of 1900, cataloging the movements of the 20th Kansas Volunteer Infantry Division during the Philippine-American War. The collection also includes one photograph of some men from the division.

This collection includes correspondence from William "Willie" Boerum Wetmore (1849-1919) to Sarah T. Wetmore, his mother, from 1890 to 1895. Wetmore writes about his new life at the Denver Athletic Club; travels and business ventures in Colorado, Kansas, New Mexico, and surrounding areas; recreational activities; and divorce proceedings and the legal troubles of the Wetmore family.