Scope and Contents The Arthur Ernst Koelle Papers primarily consists of correspondence to and from Koelle and his parents, Oscar and Virginia, and sister, Ruth, during his travels through France, Spain, Tunisia, Algeria, Italy, Germany, Switzerland, England, and Scotland in 1925-1926. Also included are two architectural sketchbooks, oversized sketches, and photographs created or taken by Koelle during his travels. Finally included are a small number of photographs of the St. Louis Veiled Prophet Ball dais...