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.
Dr. August Siebert, a prominent physician in St. Louis, was born in Hadamar, Germany, and educated in Europe before relocating to the U.S. in 1896. He specializes in goiters and tuberculosis research, notably presenting on S-Rays at the 1904 World’s Exposition. An active author, his works span medical topics and social issues. Married to Wilhelmina Steiger, they have five children. A progressive Republican, Siebert was nominated for Congress in 1912, achieving significant electoral support in St. Louis.