Shipping traffic heading to the west of Gibraltar on 31 July according to the Kriegsnachrichten of the Chef des Admiralstabes der Marine dated Berlin 6 August 1917

An item reported the sighting on 31 July heading to the west of 1 French steamship, 1 Norwegian passenger steamship, 1 with 2 guns armed French steamship, 1 with 2 guns armed Italian steamship and and 4 British steamships from Gibraltar.

Source

Bundesarchiv RM-40-622