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. Board of Engineers for Rivers and Harbors and United States. Shipping Board,"The ports of Everett, Bellingham, and Grays Harbor, Washington",,Government Printing Office,1932,Port series,,,,https://cir.nii.ac.jp/crid/1130282272881725440