South Germany : postal administrative districts and schematic telecommunications.
MLA
of Strategic Services. Research, United States. Office, and Analysis Branch. South Germany : Postal Administrative Districts and Schematic Telecommunications. OSS, 1944. https://collections.library.yale.edu/catalog/15479665.
APA, 6th edition
of Strategic Services. Research, U. S. O., & Branch, A. (1944). South Germany : postal administrative districts and schematic telecommunications. [Maps]. OSS, https://collections.library.yale.edu/catalog/15479665.
