For Austria

Wladimir Aichelburg
"Die Handelsschiffe Österreich-Ungarn im Weltkrieg 1914-1918"
Graz 1988
ISBN 3-900310-37-8

For Germany
"die Deutsche Handelsschiffahrt 1888-1918"
Cuxhaven 1988

For Germany, Austria, Turkey , Russia
"Report showing particulars of German and Austrian mercantile steam-vessels in home and neutral ports, with lists of vessels detained, captured, sunk or interned."
May 1919 (Corrected to 15th May 1919)
O.U. 6022 (2) (In Continuation of I.D.1169)