http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Docks and harbours -- Paddle steamers -- Packet ships and liners -- Cargo steamers -- Steam tugs -- Square-rigged merchant sailing ships -- The great American schooner -- The face of the seaman -- The shipbuilders -- Appledore Quay -- Fishermen -- Yachting -- Wrecks -- Warships.