Shipping heading to the east van Gibraltar according to the Kriegsnachrichten of the Chef des Admiralstabes der Marine dated Berlin 23 August 1917

An item reported that between 18-20 August the shipping traffic from Gibraltar to the east consisted of 1 British steamship, 1 American steam tanker (2 guns), 1 Italian auxiliary cruiser. Part of a convoy: 1 British steamship, 1 American steam tanker and 2 Italian steamships.

Source

Bundesarchiv RM-40-622