Series A: Personal Papers, 1920s-2004, undated

The Personal Papers series (1920s-2004, n.d.) includes materials created and gathered by Kamrath and his family that are not directly related to architectural projects or other professional pursuits. This series is composed of the following subseries: Biographical Information, Correspondence, Greeting Cards, Sketchbooks, Student work, Travel, Family, Photographs, and Tennis.

Greeting Cards contains greeting and Christmas cards created by Karl Kamrath. This subseries includes examples of all levels of the design phase, from sketches on trace and in a sketchbook to printed copies on card stock. Cards addressed and sent are included in correspondence.

Student work contains 16 paintings and drawings by Kamrath executed while attending the University of Texas, including scenes around Austin, such as Battle Hall and Garrison Hall on the University of Texas campus.

The Travel subseries includes sketches, photographs, notes, clippings, correspondence and ephemera related to various trips Kamrath took throughout his life. These materials document personal and professional experiences, including a 1954 German tour. During his travels, Kamrath made a number of sketches that he later reproduced as notecards and prints.

The Family subseries is comprised of materials on or about Karl Kamrath that were created or collected by family members, often after the architect's death. Included is correspondence related to the establishment of a Karl Kamrath Professorship at the University of Texas and regarding possible exhibits, and clippings about architecture and the firm. This subseries also contains a Master's of Architecture thesis titled "The Architecture of MacKie and Kamrath," written by Scott Reagan Miller in 1993, Rice University.

The Tennis subseries contains clippings and photographs that document Karl Kamrath and his family as tennis champions.