Columbia subject headings:
Coastwise shipping--Atlantic States--Statistics--Periodicals.
Coastwise shipping--Gulf States--Statistics--Periodicals.
Coastwise shipping--Pacific States--Statistics--Periodicals.
Steamboat lines--Atlantic States--Periodicals.
Steamboat lines--Gulf States--Periodicals.
Steamboat lines--Pacific States--Periodicals.
Harvard subject headings:
Coastwise navigation--United States.
Ship registers
Steamboat lines--United States.
Princeton subject headings:
Coastwise shipping--Atlantic States--Statistics--Periodicals.
Coastwise shipping--Gulf States--Statistics--Periodicals.
Coastwise shipping--Pacific States--Statistics--Periodicals.
Periodicals.
Statistics.
Steamboat lines--Atlantic States--Periodicals.
Steamboat lines--Gulf States--Periodicals.
Steamboat lines--Pacific States--Periodicals.