Included is a childhood diary dating from February 1902 until 1909. Also contains materials related to Follmer's involvement in World War I and II including a notebook containing notes taken while in attendance at the U.S. Army Ambulance Corp Concentration Camp in Allentown, PA circa 1916; a French identification card pertaining to his involvement with the U.S. Army Ambulance Services dated 1918; Follmer's consular passport with stamps dating from 1925 to 1927; a set of souvenir postcards of the U.S.S. St. Louis; USAAC Bulletin September 1923 (v.5, no.5); a portion of "Report, the Internment and Repatriation of the American Official Group in Germany--1941-1942" published in American Foreign Service Journal, August 1942; an article about the S.S. Drottningholm; a research paper by Linda P. Vinal titled "The American Maker: World War II Experiences, An Interview with Cyrus B. Follmer" from 1981; an obituary for Cyrus B. Follmer from 1990; and a biographical summary dating from 2012.

Also included is a program dated October 8, 1933 in German for an event commemorating the first German immigrants to the United States with Francis Daniel Pastorius. The 1933 celebration was attended by Cyrus Follmer, Class of 1916, while he was employed with the U.S. embassy in Berlin, Germany. The program includes his annotations and translations into English. The program included a speech by Dr. Joseph Goebbels, who at that time was the German minister of Public Enlightenment and Propaganda under the Adolf Hitler administration and the Gauleiter (leader) of the Nazi Party in Berlin. Follmer noted that Goebbels was a good speaker.