Columbia subject headings:
Marine engineering--Periodicals.
Navy-yards and naval stations--United States--Periodicals.
Shipbuilding--Safety measures--Periodicals.
Harvard subject headings:
Marine engineering--Periodicals
Navy-yards and naval stations--United States--Periodicals.
Shipbuilding--Safety measures--Periodicals.
Princeton subject headings:
Marine engineering--Periodicals.
Navy-yards and naval stations--United States--Periodicals.
Periodicals.
Shipbuilding--Safety measures--Periodicals.