Multiple Fleets & Lines
JORDAN, Roger
The World's Merchant Fleets 1939
The particulars and wartime fates of 6,000 ships
LAISTER, Peter
Mariner's Memorabilia - A Guide to British Shipping Company China of the 19th and 20th Centuries
STEVENS, Edward F.
One Hundred Years of Houlders
A Record of the History of Houlder Brothers & Co. Ltd. From 1849 - 1950