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Imports and exports of commodities by United States coastal districts and foreign trade regions / Quarterly
(1935)
Die Binnenschiffahrt der Vereinigten Staaten von Amerika : ihre jüngste Entwicklung
Esch, Ernst, (1925)
Decisions of the Federal Maritime Commission
(2000)
Labor and the Ship Subsidy Bill
O'Connor, T. V., (1923)