The series contains original affidavits of registration that record personal information about each registrant, their photograph affixed to the majority of documents, and the registrants fingerprints. All of these are specific to Kansas, and most have the actual documents attached.
John P. Vollmer, prominently known in Idaho, was born in Germany in 1847 and moved to the U.S. with his family in 1851. He built a successful business career, first managing a refinery and then opening a wholesale liquor and grocery business in Lewiston, which he later transformed into a general mercantile firm. As the president of the First National Bank of Lewiston, he significantly contributed to its success. Vollmer was also instrumental in agricultural and irrigation initiatives, while maintaining a strong family life and community presence.