著者名,書名,版表示,出版者名,出版年,シリーズ名,番号,ISBN,ISSN,URL United States. Bureau of the Census,"Sixteenth census of the United States, 1940 : population, second series, characteristics of the population, United States summary",,Arno Press,1976,"America in two centuries, an inventory",,0405077270,,https://cir.nii.ac.jp/crid/1130282270837460992