Columbia subject headings:
Japanese essays--20th century--Indexes.
Merchant marine--Japan--History--20th century.
Tourism--Japan--History--20th century.
Travelers' writings, Japanese--Indexes.
Umi (Ōsaka Shōsen Kabushiki Kaisha)--Tables of contents.
Voyages and travels.
Harvard subject headings:
Japanese essays--20th century--Indexes.
Merchant marine--Japan--History--20th century.
Tourism--Japan--History--20th century.
Travelers' writings, Japanese--Indexes.
Umi (Ōsaka Shōsen Kabushiki Kaisha)--Tables of contents.
Voyages and travels
Princeton subject headings: