• 1943-4 - A view showing two U.S. Navy officials leaving the administration building at Penarth Dock.

• 1945 - An example of a Dock Permit for Cardiff & Penarth Docks which were Protected Places under Defence Regulations.

• 1943 - 'Special War Time Agreement' taken from 'Schedule of Rates and Conditions for the Ports of Cardiff and Penarth' - 1st July 1943.

• 1938 - 46 - Evidence of wartime activity at the Penarth Pontoon, Slipway and Ship Repairing Company concerning a vessel nicknamed " Lucky Albert. "