Author,Title,Edition,Publisher,Year,Series,Number,ISBN,ISSN,URL United States. Dept. of State and United States. National Archives and Records Service and United States. Consulate (Ludwigshafen),"Despatches from United States Consuls in Ludwigshafen am Rhein, 1858-1874 [microform]",,National Archives and Records Service,1961,National Archives microfilm publications,,,,https://cir.nii.ac.jp/crid/1130000795909551360