United States. Office of Strategic Services. Research and Analysis Branch. Shows Pre-War 1937 city limits and administrative districts as of 1944. Administrative districts are listed and located, population data is given for each district. Inset map: "Vienna, (1:490,000)," showing pre-war boundaries. In lower left margin: "No. 5963 - R&A, OSS; 3 January 1945." From: F. E. A. Map no. 1164M. Lithographed in Reproduction Branch, OSS.