Scope and Contents The Peter A. Klover World War I Collection is a small collection consisting of documents and photographs from approximately 1917-1935 related to Klover's service in World War I as an aviation mechanic in the U.S. Army Signal Corps. The documents in the collection include an undated clipping from later in his life detailing his military service and post-war work; an undated form from the U.S. Civil Service Commission for temporary appointment, transfer, reinstatement, or...