Columbia subject headings:
Harvard subject headings:
Navy-yards and naval stations--England--Portsmouth--History.
Shipbuilding--England--Portsmouth--History.
Steamboats--England--Portsmouth--History.
Warships--England--Portsmouth--History.
Princeton subject headings:
Portsmouth (England)--History, Naval.
Shipbuilding--England--Portsmouth--History.
Ships, Wooden--England--Portsmouth--History.
Warships--England--Portsmouth--History.