Text ( visual ) : unmediated Mitsubishi and the N.Y.K. line, 1870-1894 : the beginnings of the modern Japanese shipping industry : a thesis / presented by William Dalton Wray. -- Cambridge, Mass. : Harvard University , 1976.. -- x, 554 leaves ; 29 cm. -- Thesis (Ph.D.)--Harvard University, 1976 ; Summary leaflet inserted ; Bibliography: leaves 517-542. -- (BA17877870) ; https://ci.nii.ac.jp/ncid/BA17877870 Author Heading(s): Wray, William D.