
Jon karubin no denki seikou oyobi shisou
Nanyou guntou suiroshi : souki koukaiki mariana shotou karorin shotou māsharu shotou
Nanyou guntou suiroshi : souki koukaiki mariana shotou karorin shotou māsharu shotou
Nanyou guntou suiroshi : souki koukaiki mariana shotou karorin shotou māsharu shotou
Nanyou guntou suiroshi : souki koukaiki mariana shotou karorin shotou māsharu shotou
Nanyou guntou suiroshi : souki koukaiki mariana shotou karorin shotou māsharu shotou

Seiyou kikou koukai shinsetsu

Seiyou kikou koukai shinsetsu

Minamishinakai : kaiyou shousetsu

Kijin no koukai : bouken shousetsu

Enyou koukai kiyou
Koukai nikki
遠洋航路補助 (社説)
遠洋航路選定 (社説)
大西洋の航路(社説)
遠洋航路補助 [社説]
Hokkai no kotachi

元和航海記

gennakoukaiki
南洋航路の利用 [社説]
台湾の南洋航路 [社説]
我航業の発展 [社説] : 東洋海上の消長
太平洋と其海軍力 : 我海軍縮小説

Koukaijutsu sanpou kaisetsu
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Uploaded: 2020-12-17