Contains materials related to Kunz's family history, including "Highlights from Histories of Kunz and Schmid Ancestors," which include accounts of the early history of the Kunz family, and tales of their lives, the mission journal of John Kunz, Jr. from 1884-1886 and the diary of Ezra L. Kunz from 1906-1909, kept on their missions to Germany and Switzerland, and biographies of individuals, including Rosetta Lena Boss Olsen and Emil Welhelm Stoor. Dated from approximately 1884 to 1981.

Contains Kunz's personal notes and other papers. Includes correspondence while at Brigham Young University and the University of Wyoming, handwritten notes on a legal pad. Also includes newspaper clippings that mention or pertain to Kunz's life and transcripts of speeches and talks given by Kunz. Dated from approximately 1967 to 2010.

Contains published and draft copies of articles and papers authored or co-authored by Kunz. Topics include family, race, gender, suicide, research on family history, human interaction, and religion. Dated from approximately 1958 to 1997.